Question

Сократите дроби и их к общему знаменателю 1. 3/9 и 15/25 2. 4/6 и 6/8 3. 2/4 и 6/9 4. 21/98 и 20/84

Answer 1

1) 1/5 2) 1/4 3) 1/3 4) 5/98

Answer 2

1)

$\frac{3}{9}=\frac{1}{3}=\frac{5}{15}$

$\frac{15}{25}=\frac{9}{15}$

2)

$\frac{4}{6}=\frac{2}{3}=\frac{8}{12}$

$\frac{6}{8}=\frac{3}{4}=\frac{9}{12}$

3)

$\frac{2}{4}=\frac{1}{2}=\frac{3}{6}$

$\frac{6}{9}=\frac{2}{3}=\frac{4}{6}$

4)

$\frac{21}{98}=\frac{3}{14}=\frac{9}{42}$

$\frac{20}{84}=\frac{5}{21}=\frac{10}{42}$