Question

Памагите пажалуста 3/20+7/25

Answer 1

Ответ:

$\frac{3}{20} + \frac{7}{25} = \\ \frac{15}{100} + \frac{28}{100} = \frac{43}{100}$

Answer 2

Ответ:

$\displaystyle\frac{3}{20} + \displaystyle\frac{7}{25} = \frac{3*5}{20*5} + \frac{7*4}{25*4} = \frac{15}{100} + \frac{28}{100} = \frac{15+28}{100} = \frac{43}{100} = 0,43$