Question

Change these fractions into equivalent fractions, having the lowest common denominator as the denominator.3/418.

Answer 1

In fraction 3/4, denominator is 4. The multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64,...

In fraction 7/15, the denominator is 15. The multiples of 15 are 15, 30, 45, 60, ....

So least common denominator of fraction 3/4 and 7/15 is 60.

Change the fractions by multiplication to obtain the common denominator (Least common denominator).

`(3)/(4)\cdot(15)/(15)=(45)/(60)`

And,

`(7)/(15)\cdot(4)/(4)=(28)/(60)`

So answer is,

3/4 = 45/60

7/15 = 28/60