Question

Qual o valor numérico de
a -b,se a =2/3 e b=-3/5

Answer 1

a - b

a = 2/3 
b = -3/5

a - b
2/3 - (-3/5)
2/3 + 3/5

MMC de 3 e 5 = 15

(5.2 + 3.3 )/ 15
(10 + 9) / 15
=> 19 / 15