Question

MEDAL What would 10/25 be A) 3/4 B) 2:5 C) 65% D) 6 to 16

Answer 1

do you know factors of 10?

Answer 2

um 5, 10

Answer 3

1, 2, 5, 10

Answer 4

that's right

Answer 5

its 2:5

Answer 6

what about factors of 25?

Answer 7

1,2,3,4,9,12,18,36

Answer 8

?

Answer 9

is it 2:5

Answer 10

the factors of 25 are 1, 5 , 5 and 25

Answer 11

So we have established that 10 = 2*5 and that 25 = 5*5
Lets apply this to the fraction

10/25

= (2*5) / (5*5)

now we can cancel the common factor

= 2 / 5


which is as you said equivalent to the ratio 2:5