## 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
$9 \dfrac{6}{10} - \dfrac{7}{10} = 8 \dfrac{16}{10} - \dfrac{7}{10} = 8 \dfrac{9}{10}$

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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