Question

Calculati:
a) 15/7 • 1/18 b) 1/9 • 3/10 c) 4/5 • 9/8
d) 7/8 • 2/31
Haideti ca e simplu!

Answer 1

$a) \frac{15}{7} \times \frac{1}{18} = \frac{15 \times 1}{7 \times 18} = \frac{5 \times 1}{7 \times 6} = \frac{5}{42}$

$b) \frac{1}{9} \times \frac{3}{10} = \frac{1 \times 3}{ 9 \times 10} = \frac{3}{90} = \frac{1}{30}$

$c) \frac{4}{5} \times \frac{9}{8} = \frac{4 \times 9}{5 \times 8} = \frac{36}{40} = \frac{9}{10}$

$d) \frac{7}{8} \times \frac{2}{31} = \frac{7 \times 2}{8 \times 31} = \frac{7 \times 1}{4 \times 31} = \frac{7}{124}$