Question

4 2/5+9 3/7 помогите

Answer 1

4 14/35+9 15/35=13 29/35

Answer 2

$4 \frac{2}{5} +9 \frac{3}{7} = \frac{4*5+2}{5} + \frac{9*7+3}{7} = \frac{22}{5}+ \frac{66}{7} = \frac{22*7+66*5}{5*7} = \frac{154+330}{35} \\ \frac{154+330}{35} = \frac{484}{35} =13 \frac{29}{35}$