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## Fraction Subtraction - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

See some of our other supported math practice problems.

### Complexity=3, Mode=simple

Subtract each pair of fractions and simplify the result.

1.
 12
-
 13
2.
 22
-
 22

### Complexity=4, Mode=simple

Subtract each pair of fractions and simplify the result.

1.
 12
-
 13
2.
 22
-
 23

### Complexity=6, Mode=simple

Subtract each pair of fractions and simplify the result.

1.
 23
-
 26
2.
 45
-
 13

### Complexity=3, Mode=improper

Subtract each pair of fractions and simplify the result.

1.
 33
-
 12
2.
 32
-
 12

### Complexity=5, Mode=improper

Subtract each pair of fractions and simplify the result.

1.
 55
-
 15
2.
 55
-
 14

### Complexity=7, Mode=improper

Subtract each pair of fractions and simplify the result.

1.
 76
-
 22
2.
 53
-
 55

### Complexity=3, Mode=mixed

Subtract each pair of fractions and simplify the result.

1.
 3 23
-
 3 12
2.
 2 23
-
 2 13

### Complexity=6, Mode=mixed

Subtract each pair of fractions and simplify the result.

1.
 3 26
-
 3 15
2.
 3 46
-
 1 34

### Complexity=10, Mode=mixed

Subtract each pair of fractions and simplify the result.

1.
 3 46
-
 610
2.
 510
-
 29

### Complexity=12, Mode=mixed-imp

Subtract each pair of fractions and simplify the result.

1.
 2 312
-
 410
2.
 2 24
-
 1 34

### Complexity=20, Mode=mixed-imp

Subtract each pair of fractions and simplify the result.

1.
 3 94
-
 1214
2.
 2 115
-
 415

### Complexity=50, Mode=mixed-imp

Subtract each pair of fractions and simplify the result.

1.
 2 3224
-
 2420
2.
 1 156
-
 2949

### Complexity=3, Mode=simple

Subtract each pair of fractions and simplify the result.

1
 12
-
 13
Solution
The LCD is 6
Adjust the denominators to get this:
 36
-
 26
Subtract the fractions to get this:
 16
2
 22
-
 22
Solution
Subtract the fractions to get this:
0

### Complexity=4, Mode=simple

Subtract each pair of fractions and simplify the result.

1
 12
-
 13
Solution
The LCD is 6
Adjust the denominators to get this:
 36
-
 26
Subtract the fractions to get this:
 16
2
 22
-
 23
Solution
Simplify fractions
1 -
 23
The LCD is 3
Adjust the denominators to get this:
 33
-
 23
Subtract the fractions to get this:
 13

### Complexity=6, Mode=simple

Subtract each pair of fractions and simplify the result.

1
 23
-
 26
Solution
Simplify fractions
 23
-
 13
Subtract the fractions to get this:
 13
2
 45
-
 13
Solution
The LCD is 15
Adjust the denominators to get this:
 1215
-
 515
Subtract the fractions to get this:
 715

### Complexity=3, Mode=improper

Subtract each pair of fractions and simplify the result.

1
 33
-
 12
Solution
Simplify fractions
1 -
 12
The LCD is 2
Adjust the denominators to get this:
 22
-
 12
Subtract the fractions to get this:
 12
2
 32
-
 12
Solution
Subtract the fractions to get this:
 22
Now simplify to get this:
1

### Complexity=5, Mode=improper

Subtract each pair of fractions and simplify the result.

1
 55
-
 15
Solution
Subtract the fractions to get this:
 45
2
 55
-
 14
Solution
Simplify fractions
1 -
 14
The LCD is 4
Adjust the denominators to get this:
 44
-
 14
Subtract the fractions to get this:
 34

### Complexity=7, Mode=improper

Subtract each pair of fractions and simplify the result.

1
 76
-
 22
Solution
Simplify fractions
 1 16
- 1
The LCD is 6
Adjust the denominators to get this:
 1 16
- 1
Subtract the fractions to get this:
 16
2
 53
-
 55
Solution
Simplify fractions
 1 23
- 1
The LCD is 3
Adjust the denominators to get this:
 1 23
- 1
Subtract the fractions to get this:
 23

### Complexity=3, Mode=mixed

Subtract each pair of fractions and simplify the result.

1
 3 23
-
 3 12
Solution
The LCD is 6
Adjust the denominators to get this:
 3 46
-
 3 36
Subtract the fractions to get this:
 16
2
 2 23
-
 2 13
Solution
Subtract the fractions to get this:
 13

### Complexity=6, Mode=mixed

Subtract each pair of fractions and simplify the result.

1
 3 26
-
 3 15
Solution
Simplify fractions
 3 13
-
 3 15
The LCD is 15
Adjust the denominators to get this:
 3 515
-
 3 315
Subtract the fractions to get this:
 215
2
 3 46
-
 1 34
Solution
Simplify fractions
 3 23
-
 1 34
The LCD is 12
Adjust the denominators to get this:
 3 812
-
 1 912
Numerator 9 > 8, so we must borrow a whole number
 2 2012
-
 1 912
Subtract the fractions to get this:
 1 1112

### Complexity=10, Mode=mixed

Subtract each pair of fractions and simplify the result.

1
 3 46
-
 610
Solution
Simplify fractions
 3 23
-
 35
The LCD is 15
Adjust the denominators to get this:
 3 1015
-
 915
Subtract the fractions to get this:
 3 115
2
 510
-
 29
Solution
Simplify fractions
 12
-
 29
The LCD is 18
Adjust the denominators to get this:
 918
-
 418
Subtract the fractions to get this:
 518

### Complexity=12, Mode=mixed-imp

Subtract each pair of fractions and simplify the result.

1
 2 312
-
 410
Solution
Simplify fractions
 2 14
-
 25
The LCD is 20
Adjust the denominators to get this:
 2 520
-
 820
Numerator 8 > 5, so we must borrow a whole number
 1 2520
-
 820
Subtract the fractions to get this:
 1 1720
2
 2 24
-
 1 34
Solution
Numerator 3 > 2, so we must borrow a whole number
 1 64
-
 1 34
Subtract the fractions to get this:
 34

### Complexity=20, Mode=mixed-imp

Subtract each pair of fractions and simplify the result.

1
 3 94
-
 1214
Solution
Simplify fractions
 5 14
-
 67
The LCD is 28
Adjust the denominators to get this:
 5 728
-
 2428
Numerator 24 > 7, so we must borrow a whole number
 4 3528
-
 2428
Subtract the fractions to get this:
 4 1128
2
 2 115
-
 415
Solution
Numerator 4 > 1, so we must borrow a whole number
 1 1615
-
 415
Subtract the fractions to get this:
 1 1215
Now simplify to get this:
 1 45

### Complexity=50, Mode=mixed-imp

Subtract each pair of fractions and simplify the result.

1
 2 3224
-
 2420
Solution
Simplify fractions
 3 13
-
 1 15
The LCD is 15
Adjust the denominators to get this:
 3 515
-
 1 315
Subtract the fractions to get this:
 2 215
2
 1 156
-
 2949
Solution
Simplify fractions
 3 12
-
 2949
The LCD is 98
Adjust the denominators to get this:
 3 4998
-
 5898
Numerator 58 > 49, so we must borrow a whole number
 2 14798
-
 5898
Subtract the fractions to get this:
 2 8998