Question

como resolver a) (-4/5) + (-1/2) b) (-5/3) - (-3/4) c)3/4 -0,25 d) -7/15 +1

Answer 1

a) (-4/5) + (-1/2)

( -8/10) + ( -5/10) = -8/10 - 5/10 = -13/10

b) (-5/3) - (-3/4)

(-20/12) - ( -9/12 ) = -20/12 + 9/12 = -11/12

c)3/4 -0,25

3/4 - 1/4 = 2/4 = 1/2

d) -7/15 +1

-7/15 + 15/15 = 8/15