Question

1/5+4/3-9/15
Por favor

Answer 1

Resposta:

Explicação passo-a-passo:

$\sf \dfrac{1}{5}+\dfrac{4}{3}-\dfrac{9}{15}$

$\sf mmc(3,5,15)=15$

$\sf \dfrac{1}{5}+\dfrac{4}{3}-\dfrac{9}{15}$

$\sf =\dfrac{1\cdot3+4\cdot5-9\cdot1}{15}$

$\sf =\dfrac{3+20-9}{15}$

$\sf =\large\red{\dfrac{14}{15}}$

Answer 2

1/5 + 4/3 - 9/15

1/5 + 4/3 - 3/5

(3 + 20 - 9)/15

(20 - 6)/15

14/15

Resposta: 14/15