## Subtraction of Fractions Exercises – Set 2

Find the difference of the following:

1.) $\dfrac{9}{11} - \dfrac{7}{11}$

2.) $\dfrac{10}{21} - \dfrac{3}{21}$

3.) $\dfrac{40}{15} - \dfrac{10}{15}$

4.) $9 \dfrac{3}{10} - \dfrac{7}{10}$

5.) $\dfrac{1}{2} - \dfrac{1}{5}$

6.) $7 - \dfrac{3}{5}$

7.) $5 \dfrac{7}{8} - \dfrac{3}{4}$

8.) $9 \dfrac{1}{2} - 7 \dfrac{1}{5}$

9.) $6 \dfrac{1}{5} - 2 \dfrac{3}{4}$

10.) $12 \dfrac{1}{6} - 3 \dfrac{1}{2}$

Solution:

1.) $\dfrac{2}{11}$
2.) $\dfrac{7}{21} = \dfrac{1}{3}$
3.) 2
4.) $8 \dfrac{9}{10}$
Solution:
LCD: 10 $9 \dfrac{3}{10} - \dfrac{7}{10} = 8 \dfrac{10}{10} + \dfrac{3}{10} - \dfrac{7}{10} = 8 \dfrac{13}{10} - \dfrac{7}{10} = 8 \dfrac{6}{10} = 8 \dfrac{3}{5}$

5.) $\dfrac{3}{10}$
Solution:
LCD: 10 $\dfrac{5}{10} - \dfrac{2}{10} = \dfrac{3}{10}$

6.) $6 \dfrac{2}{5}$
Solution: $6 \dfrac{5}{5} - \dfrac{3}{5} = 6 \dfrac{2}{5}$

7.) $5 \dfrac{1}{8}$
Solution:
LCD: 8 $5 \dfrac{7}{8} - \dfrac{6}{8} = 5 \dfrac{1}{8}$

8.) $2 \dfrac{3}{10}$
Solution:
LCD: 10 $9 \dfrac{5}{10} - 7 \dfrac{2}{10} = 2 \dfrac{3}{10}$

9.) $3 \dfrac{9}{20}$
Solution:
LCD: 20 $6 \dfrac{4}{20} - 2 \dfrac{15}{20} = 5 \dfrac{24}{20} - 2 \dfrac{15}{20} = 3 \dfrac{9}{20}$

10.) $8 \dfrac{2}{3}$

Solution:
LCD: 6 $12 \dfrac{1}{6} - 3 \dfrac{3}{6} = 11 \dfrac{7}{6} - 3 \dfrac{3}{6} = 8 \dfrac{4}{6} = 8 \dfrac{2}{3}$

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• ### Ronel

January 3, 2019

Useful

• ### Bryan

January 6, 2019

Thank you for sharing…god bless u

• ### exequiel

June 10, 2019

4 is wrong typo error? The question is 3/10 but the answer is on 6/10. Thou the solution is correct

• ### Alvin Glenn M. Tapuyao

July 18, 2019

Given Problem #4 is not applicable to Solution # 4… .. .

Am I correct?

• ### Civil Service Reviewer

August 3, 2019