Question

1) 1 4/7•7/8
2) 2 1/5 • 5/11
3) 3/7•3 4/15

Answer 1

Ответ:

1)

$1\frac{4}{7}\cdot\frac{7}{8}=\frac{11}{7}\cdot\frac{7}{8}=\frac{11}{1}\cdot\frac{1}{8}=\frac{11}{8}=1\frac{3}{8}$

2)

$2\frac{1}{5} \cdot\frac{5}{11} =\frac{11}{5}\cdot\frac{5}{11}=\frac{11}{1}\cdot\frac{1}{11}=1$

3)

$\frac{3}{7}\cdot\frac{4}{15} = \frac{1}{7}\cdot\frac{4}{5} =\frac{4}{35}$

Answer 2

1) 1 3/8 или же 1,375

2) 1

3) 1 2/5 или же 1,4