Question

Am nevoie urgenttt!​

Answer 1

Explicație pas cu pas:

$2 . \frac{3}{7} = \frac{6}{7} \\ 2 \frac{3}{7} = \frac{17}{7} \\ 5 . \frac{1}{4} = \frac{5}{4} \\ 5 \frac{1}{4} = \frac{21}{4}$