Question

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

Answer 1

Explicación paso a paso:

-2/3+ 1/4

(-2x4 + 3x1)/3x4

(-8 + 3)/12

-5/12

-1/4-1/2

(-1-1*2)/4

(-1 - 2)/4

-3/4