Common Denominator
What is the quick common denominator for the following fractions?
3/7 and 6/9
63
7/12 + 13/12
20/12 or 1 8/12
12/13 - 7/13
5/13
What is 1/6 of 24?
4
5 x 4/7
20/7 or 2 6/7
What is the least common denominator for the following fractions?
2/3 and 10/12
12
15/19 + 7/19
22/19 or 1 3/19
12/16 - 2/4
4/16
What is 4/5 of 25?
20
13 x 6/8
78/8 or 9 6/8
List the first 5 multiples of the following numbers.
4:
5:
4, 8, 12, 16, 20
5, 10, 15, 20, 25
6/7 + 1/3
25/21 or 1 4/21
3 17/18 - 1 2/6
2 11/18
What is 3/7 of 21?
9
2/3 x 4/9
8/27
What is the least common denominator for the following fractions?
4/6 and 5/8
24
7 9/15 + 7 4/5
14 21/15 or 15 6/15
7 1/21 - 3 2/3
3 8/21
What is 3/8 of 20?
7 4/8
6/9 x 8/12
48/108
What is the quick common denominator for the following fractions?
8/14 and 7/8
112
4 3/4 + 7 8/12
11 17/12 or 12 5/12
9 1/2 - 2 7/9
6 13/18
What is 2/5 of 27?
10 4/5
2 5/11 x 3 7/12
6 35/132