Question

One way to find a common denominator is by

multiplying the denominators of the two fractions
together and using the product as the common
denominator.
Use this method to find a common denominator for
each pair of fractions. Write the equivalent fractions.
w
1
15
20
1
DW
15
20
5
b. 23- TO
8
10
II
C.
moo
ON

Answer 1

Explanation:

a).
`1(3)/(5)=1+(3)/(5)`

`=1+(3)/(5)* (4)/(4)`

`=1+(12)/(20)`

`=1(12)/(20)`

`1(3)/(4)=1+(3)/(4)`

`=1+(3)/(4)* (5)/(5)`

`=1+(15)/(20)`

`=1(15)/(20)`

Therefore, common denominator of 20.

b).
`2(1)/(2)=2+(1)/(2)`

`=2+(1)/(2)* (5)/(5)`

`=2+(5)/(10)`

`=2(5)/(10)`

`(4)/(5)=(4)/(5)* (2)/(2)`

`=(8)/(10)`

Common denominator of 10.

c).
`(3)/(8)=(3)/(8)* (6)/(6)`

=
`(18)/(48)`

`(1)/(6)=(1)/(6)* (8)/(8)`

=
`(8)/(48)`

Common denominator of 48.