find a common denominator
for each pair of fractions.
Multiply the denominators to find a
common denominator: 3 × 6 = 18.
Write equivalent fractions with
denominators of 18.
__
2
3 = __
2 × 6
3 × 6 = __
12
18 __
5
6 = __
5 × 3
6 × 3 = __
15
18
So, __
12
18 and __
15
18is one way to rename
_
2
3 and _
5
6 with a common denominator.
Use the fact that one denominator is a
multiple of the other.
You know that 6 is a multiple of 3.
__
2
3 = __
2 × 2
3 × 2 = __
4
6
So, _
4
6 and _
5
6 is another way to rename
_
2
3 and _
5
6 with a common denominator.
Find a common denominator for _
2
3 and _
5
6 . Then
rename each fraction with an equivalent fraction.
2. __
3
8 and __
2
3 3. __
1
6 and __
4
3
4. __
2
5 and __
1
6 5. __
1
3 and __
4
5 6. __
5
8 and __
3
4 7. __3
10 and __
9
8
8. __
3
7 and __
1
2 9. __5
12 and __
3
5 10. __
7
9 and __
2
3 11. __
3
8 and __9
20
Any common denominator
for _
2
3 and _
5
