Question

quais são as frações abaixo


(a) 16/8 : 50/15


(b) 25/5 : 50/15


(c) 36/9 : 9/81


(d) 27/9 : 3/9


(e) 45/9 : 9/45


(f) 60/10 : 10/80


(g) 20/5 : 15/25


(h) 28/34 : 16/32


(i) 160/6 : 80/2​

Answer 1

Quais são as frações abaixo
(a) 16/8 : 50/15
= 2 . 15/50
= 30/50
= 3/5
__________

(b) 25/5 : 50/15
= 5 . 15/50
= 75/50 (:25)/(:25)
= 3/2

__________

(c) 36/9 : 9/81
= 4 . 81/9
= 4 . 9
= 36
__________

(d) 27/9 : 3/9
= 3 . 9/3
= 3 . 3
= 9

__________

(e) 45/9 : 9/45
= 5 . 45/9
= 5 . 5
= 25

___________

(f) 60/10 : 10/80
= 6 . 80/10
= 6 . 8
= 48

______________

(g) 20/5 : 15/25
= 4 . 25/15 (:5)/(:5)
= 4 . 5/3
= 20/3

______________

(h) 28/34 (:2)/(:2): 16/32
= 14/17 . 32/16
= 14/17 . 2
= 28/17
____________

(i) 160/6 (:2)/(:2) : 80/2​
= 80/3 . 40
= 3200/3
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