Question

que dicen la respuesta porfis ;-;​

Answer 1

A) 5/9 + 1/2 =

mcm = 18


(10+9)/18 = 19/18

B) 8/10 + 3/4

mcm 20

(16+15)/20 = 31/20

C) 7/5 + 3/5

(7+3)/5 = 10/5


D) 5/9 - 1/2

mcm 18

(10-9)/18 = 1/18

E)8/10 +3/5

mcm 10

(8+6)/10 = 14/10

F)

7/5-3/5

(7-3)/5 = 4/5