Question

3 восьмых додати 9 десятых

Answer 1

Ответ:

$\frac{3}{8} + \frac{9}{10} = \frac{10 \times 3}{10 \times 8} + \frac{8 \times 9}{8 \times 10} = \\ = \frac{30}{80} + \frac{72}{80} = \frac{102}{80} = \frac{51}{40}$