Common Denominators
What is a common denominator for:
1/3 and 4/5
15
1/2 + 2/5 =
9/10
2/3 - 5/9 =
1/9
1 8/10 + 2 3/5 =
4 2/5
6 1/2 - 4 1/4 =
2 1/4
Find a common denominator and write two equivalent fractions for:
3/7 and 1/2
6/14 and 7/14
1/4 + 3/8 =
5/8
2/9 - 1/6 =
1/18
2 1/4 + 1 3/8 =
3 5/8
2 3/8 - 1 7/8 =
1/2
What is a common denominator for:
3/8 and 2/3
24
Sandra drove for 1/3 hour to get to the store. Then she drove 1/5 hour to get to the library. What fraction of an hour did Sandra Drive in all?
8/15
6/5 - 3/8 =
33/40
3 2/5 + 1 9/10 =
5 3/10
8 3/16 - 3 5/8 =
4 9/16
Find a common denominator and write two equivalent fractions for:
7/9 and 2/3
7/9 and 6/9
1/4 + 11/12 =
1 1/6
3/2 - 7/12 =
11/12
2 7/8 + 5 1/2 =
8 3/8
15 1/6 - 4 3/8 =
10 19/24
What is a common denominator for:
5/8 and 3/4
Sample: 8 or 32
7/9 + 4/10
1 8/45
Benjamin and his sisters shared a large sandwich. Benjamin ate 3/5 of the sandwich and his sisters ate 1/7 of the sandwich. How much more did Benjamin eat than his sisters?
16/35
2 6/12 + 1 1/2 =
4
5 3/8 - 3 2/3
1 17/24