Question

qual o valor da expressao 4/5-1/6+11/15-3/10

Answer 1

4/5 + 1/6 + 11/15 - 3/10

24/30 + 5/30 + 22/30 - 9/30

42/30

1 12/30 = 1 2/5

Answer 2

Olá jucileneneves48 ! ☺

Bem, siga o passo a passo da resolução abaixo:

$\displaystyle \mathsf {\dfrac {4}{5} + \dfrac {1}{6} + \dfrac {11}{15} - \dfrac {3}{10}}$

$\displaystyle \mathsf {\dfrac {24}{30} +\dfrac {5}{30} + \dfrac {22}{30} - \dfrac {9}{30}}$

$\displaystyle \mathsf {\dfrac {42}{30}}$

$\displaystyle \mathsf {1\dfrac {12}{30} = 1\dfrac {2}{5}}$