Question

К сумме:
-1,4 и 0,6 прибавьте 7/15
Срочно!!!

Answer 1

-1,4 + 0,6 = -0,8
-0,8 + (7/15) = (7/15) - (8/10) = (7/15) - (4/5) = (7/15) - (12/15) = (7-12)/15 = 
= -5/15 = -1/3.

Answer 2

-1.4+0.6=-0.8
-0.8=-8/10
-8/10+7/15=(-24+14)/30=-1/3