Question

(-1/2) (-5/4)=
(1/2) (-5/7)=
(4/8) (5/6)=
(1/4)+(2/7)

díganme la respuesta
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Answer 1

Respuesta:

5/8

-5/14

10/24

15/28

Explicación paso a paso:

(-1/2) (-5/4)=(-)(-)=+5/8

(1/2) (-5/7)=(+)(-)= -5/15

(4/8) (5/6)=(+)(+)= 20/48= 10/24

(1/4)+(2/7)= 7+8/28= 15/28