Question

привести к знаменателю 150 дроби: -13/25 ; 18/27

Answer 1

$frac{-13}{25} = frac{-13*6}{25*6} = frac{78}{150}$

$frac{18}{27} = frac{18/9}{27/9} = frac{2}{3} = frac{2*50}{3*50} = frac{100}{150}$