Question

calcula:
alguien sabe ayuda:

a) 5 x 1/10 - (3/5 -2/5) x 2/3 =


b) 2/3 x 15/14 - (1/6 ÷ 1/12 + 1/8=

Answer 1

5/10 -(1/5)x2/3
1/2-2/15= (15-4)/30 = 11/30
b)
5/7-(1/6*12/1)+1/8
5/7-2+1/8
(40-112+7)/56
-65/56