Question

Найди значение выражения 2/15+3/10

Answer 1

2\15+3\10= 4\30+9\30= 13\30

Answer 2

$\frac{2}{15} + \frac{3}{10} = \frac{2 \times 10 + 3 \times 15}{150} = \frac{20 + 45}{150} = \frac{65}{150} = \frac{13}{30} = 0.43$