Addition of Fractions: Complete the missing numbers

$\frac{7}{14}+?=\frac{1}{2}$

$0$

$\frac{1}{10}+?=\frac{3}{4}$

$\frac{13}{20}$

$\frac{2}{9}+?=\frac{2}{3}$

$\frac{4}{9}$

$?+\frac{3}{4}=\frac{4}{5}$

$\frac{1}{20}$

$?+\frac{1}{6}=\frac{2}{3}$

$\frac{1}{2}$

$?+\frac{1}{3}=\frac{2}{5}$

$\frac{1}{15}$

$\frac{1}{2}+?=\frac{2}{5}$

$-\frac{1}{10}$

$\frac{1}{6}+?=\frac{1}{2}$

$\frac{1}{3}$

$?+\frac{2}{8}=\frac{3}{4}$

$\frac{2}{4}$

$\frac{2}{8}+?=\frac{3}{5}$

$\frac{7}{20}$

Complete the missing fraction

$\frac{4}{7}+_—=\frac{6}{7}$

What is the missing fraction?

$\frac{2}{7}$

Complete the missing fraction

$\frac{3}{10}+_—+\frac{3}{10}=\frac{9}{10}$

What is the missing fraction?

$\frac{3}{10}$

Complete the missing fraction

$\frac{2}{12}+_—+\frac{3}{12}=\frac{9}{12}$

What is the missing fraction?

$\frac{4}{12}$$$

Complete the missing fraction

$\frac{5}{15}+_—+\frac{3}{15}=\frac{13}{15}$

What is the missing fraction?

$\frac{5}{15}$

Complete the missing fraction

$\frac{1}{5}+_—=\frac{3}{5}$

What is the missing fraction?

$\frac{2}{5}$

Complete the missing fraction

$\frac{3}{6}+_—=\frac{4}{6}$

What is the missing fraction?

$\frac{1}{6}$

Complete the missing fraction

$\frac{1}{4}+_—=\frac{3}{4}$

What is the missing fraction?

$\frac{2}{4}$

Complete the missing fraction

$\frac{6}{10}+_—=\frac{9}{10}$

What is the missing fraction?

$\frac{3}{10}$

Complete the missing fraction

$\frac{5}{12}+_—=\frac{7}{12}$

What is the missing fraction?

$\frac{2}{12}$

Complete the missing fraction

$\frac{2}{9}+_—+\frac{5}{9}=\frac{8}{9}$

What is the missing fraction?

$\frac{1}{9}$