Question

Сократите 2*3\4*5, 2*3\ 7*2, 5*4\4*9, 7*5\2*7.

Answer 1

$\frac{2*3}{2*2*5} = \frac{3}{2*5} = \frac{3}{10} \\ \\ \frac{2*3}{7*2} = \frac{3}{7} \\ \\ \frac{5*4}{4*9} = \frac{5}{9} \\ \\ \frac{7*5}{2*7} = \frac{5}{2}$