Question

Calculati:3 1\7:2 1\5
Cu explicatie pls
DAU COROANA!!!

Answer 1

$3 \frac{1}{7} \div 2 \frac{1}{5} = \frac{3 \times 7 + 1}{7} \div \frac{2 \times 5 + 1}{5}$

$= \frac{21 + 1}{7} \div \frac{10 + 1}{5}$

$= \frac{22}{7} \div \frac{11}{5}$

$= \frac{22}{7} \times \frac{5}{11}$

$= \frac{22 \times 5}{7 \times 11}$

$= \frac{110}{77}$