Question

Сократите дробь :
1)6a+6b/7a+7b
2) ma^2-m^2a/m^2-ma

Answer 1

$1) frac{6a+6b}{7a+7b}= frac{6(a+b)}{7(a+b)}= frac{6}{7} \ 2) frac{ma^2-m^2a}{m^2-ma}= frac{ma(a-m)}{m(m-a)}=-a$

Answer 2

$frac{6a+6b}{7a+7b} = frac{6(a+b)}{7(a+b)} = frac{6}{7} \ frac{ma ^{2}-m ^{2}a }{m ^{2} -ma} = frac{ma(a-m)}{m(m-a)} = frac{-ma}{m} =-a$