Question

3 целых 2/7+5 целых 3/14 =?

Answer 1

$3 \frac{2}{7} +5 \frac{3}{14} =8 \frac{1}{2} \\ \\ 3 \frac{2*2}{14} +5 \frac{3*1}{14} =3+5 \frac{4+3}{14} =8 \frac{7}{14} =8 \frac{1}{2} \\ \\ 8 \frac{7}{14} =8 \frac{7}{2*7} =8 \frac{1}{2}$