Question

Simplify the ratio 42:28:21

Answer 1

It would be 6:4:3 because you divide each number by a factor they all have in common, which would be 7.

Answer 2

Answer: The required simplified ratio is 6 : 4 : 3.

Step-by-step explanation: We are given to simplify the following ratio :

`R=42:28:21.`

We know that

for any two numbers a and b,

`a:b=(a)/(b).`

We have

`42:28=(42)/(28)=(7*6)/(7*4)=(6)/(4).`

And,

`28:21=(28)/(21)=(7*4)/(7*3)=(4)/(3).`

Therefore, we get

`42:28:21=6:4:3.`

Thus, the required simplified ratio is 6 : 4 : 3.