Question

(+1/3) + (+1/2)=
(+1/7) (-2/3)=
(-1/4) (+2/3)=

Answer 1

Respuesta:

(+1/3) + (+1/2)=  5/6

(+1/7) (-2/3)=   -2/21

(-1/4) (+2/3)= -1/6

Espero haberte ayudado :)

Salu2

Answer 2

(+1/3) + (+1/2)=

3·2=6

1/3= 1·2/3·2 =2/6

1/2 = 1·3/2·3 =3/6

2/6+3/6

2+3/6

5/6

Respuesta:

5/6

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(+1/7) (-2/3)=

-1/7·2/3

-1·2/7·3

-2/7·3

-2/21

Respuesta:

-2/21

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

-1/4·2/3

-1/2·2 ·2/3

-1/2 ·2/3

-1·2/2·3

-1/2·3

-1/6

Respuesta:

-1/6

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Espero que te sirva :D