Question

выполните действие и сократите результат:7/15+2/15; 37/46-21/46

Answer 1

$\frac{7}{15} + \frac{2}{15} = \\ = \frac{9}{15} = \frac{3}{5} \\ \\ \\ \frac{37}{46} - \frac{21}{46} = \\ = \frac{16}{46} = \frac{8}{23}$

Answer 2

7/15+2/15=9/15=3/5

37/46-21/46=16/46=8/23