Worksheet on Subtracting Fractions with Common Denominators

Practice the math question given in the worksheet on subtracting fractions with common denominators. The questions are based on fractions having the same denominators that require subtraction.

1. Subtract the following fractions:

(i) 5/7 - 3/7

(ii) 7/9 - 4/9

(iii) 9/14 - 5/14

(iv) 20/21 - 11/21

(v) 15/13 - 6/13

(vi) 17/23 - 15/23

(vii) 7/18 - 5/18

(viii) 80/97 - 72/97

(ix) 25/49 - 14/49

(x) 58/15 - 50/15

2. What should be added to 4/11 to obtain 9/11?

3. What should be added to 7/19 to obtain 11/19?

4. What should be subtracted from 11/25 to get 9/25?

5. Fill in the gaps:

(i) 7/12 - 3/12 = _____

(ii) 11/35 - 7/35 = _____

(iii) 8/11 - 3/11 = _____

(iv) 9/16 - 5/16 = _____

(v) 33/29 - 18/29 = _____

Answers for the worksheet on subtracting fractions with common denominators are given below to check the exact answers of the above questions on finding the difference of the fractions when the denominators remains the same.

Answers:

1. (i) 2/7

(ii) 3/9

(iii) 4/14

(iv) 9/21

(v) 9/13

(vi) 2/23

(vii) 2/18

(viii) 8/97

(ix) 11/49

(x) 8/15

2. 5/11

3. 4/19

4. 2/25

5. (i) 4/12

(ii) 4/35

(iii) 5/11

(iv) 4/16

(v) 15/29

3rd Grade Math Worksheets

3rd Grade Math Lessons

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