Common Denominators
What is the common denominator for:
1/2 and 4/8
8, 16, 24, etc.
What are the factors of 12?
12: 1, 2, 3, 4, 6, 12
Simplify: 4/8
1/2
Convert to Mixed Numbers: 23/9
1/6 + 1/3
9/18 = 1/2
What is the common denominator for:
2/6 and 9/12
12, 36, 72...
What are the factors 18?
18: 1, 2, 3, 6, 9, 12
Simplify: 3/18
1/6
Covert to improper fraction: 5 3/4
23/4
5/9 + 1/7
44/63
What is the common denominator for:
3/5 and 6/8
40
What are the factors 36?
Simplify: 15/35
3/7
Convert to mixed number: 26/3
8 2/3
6/8 + 3/9 =
78/72 = 1 6/72 = 1 1/12
What is the common denominator for:
1/12 and 4/14
168
What are the factors 121?
Simplify: 24/36
2/3
Convert to improper fraction: 6 3/9
57/9
3 9/10
What is the least common denominator for:
3/9 and 3/6
36
What are the factors of 120?
120: 1, 2, 3, 4, 5, 6, 10, 12, 20, 24, 40, 60, 120
Simplify: 18/54
1/3
Convert to mixed number: 145/6
24 1/6
2 5/8 - 1 1/4 =
1 3/8