Question

(3 by 7 + 1 by 2) Divided 7 by 8​

Answer 1

$( \frac{3}{7} + \frac{1}{2} ) \div \frac{7}{8}$

lcm of 7,2=14

3*2/7*2=6/14

1*7/2*7=7/14

6/14+7/14=13/14

$\frac{13}{14} \div \frac{7}{8}$

13/14*8/7=104/98=52/49

answer is 52/49