Question

work out the following:

$\frac{5}{7}-\frac{4}{9}$

Answer 1

Step 1:- Make the denominator of both fractions same.

Multiply $\frac{5}{7}$by $9$ and $\frac{4}{9}$ by $7$.

$\frac{5\times 9}{7\times 9}=\frac{45}{63}$

$\frac{4\times 7}{9\times 7}=\frac{28}{63}$

Step 2:- Subtract the both fraction

$\frac{45}{63}-\frac{28}{63}=\frac{45-28}{63}=\frac{17}{63}$

Step 3:- Convert the improper fraction into a mixed fraction.

$\frac{17}{63}$

Hence, $\frac{17}{63}$ is the required solution.