Question

1: What is 15:25 as fraction in simplest form.

A: 15/25
B: 3/5
C: 1/3
D: 30/50
2: Which number is equivalent to 3/7
A: 6 TO 10
B: 76:107
C: 12/35
D: 7 TO 3

PLEASE HELP 

Answer 1

1. 15:25 = 15/25 = 3/5 (Divide the numerator and denominator by 5)
Answer: 3/5 or B

2. 3/7 = 12/28 (This question doesn't have a correct answer out of your choices.)

Answer 2

1.

15:25 is a ratio

we can write this as a fraction

15:25 written as a fraction is
`(15)/(25)`

to simplify this we have to divide both numerator and denominator by the highest common factor for both numerator and denominator

the factors for 15 and 25 are as follows

15 - 1,3,5,15

25 - 1,5,25

the highest common factor is 5

so we have to divide both by 5

`(15/5)/(25/5) = (3)/(5)`

the answer is

B. 3/5

2. the number equivalent to 3/7 is

9/21

equivalent fractions are fractions , where all the equivalent fractions have the same simplified form

3/7 fraction multiplied by 3

numerator and denominator are both mutliplied by 3

`(3)/(7) * 3 = (3*3)/(7*3) = (9)/(21)`

answer is 9/21