Common Denominators
What is the least common denominator between the two fractions?
2/3 and 3/8
24
Turn this improper fraction into a mixed number:
12/5
2 2/5
Add:
2/4 + 1/3
6/12 + 4/12 = 10/12
Subtract: Remember to Regroup in Necessary!
3 8/9 - 1 2/3
3 8/9 - 1 6/9 = 2 2/9
Add: Remember to Make Improper Fractions a Mixed Number!
5 2/3 + 2 1/9
5 6/9 + 2 1/9 = 7 7/9
What is the least common denominator between the two fractions?
4/6 and 2/9
18
Turn this improper fraction into a mixed number:
28/5
5 3/28
Add. Turn an improper fraction into a mixed number:
3/5 + 1/2
6/10 + 5/10= 11/10 =1 1/10
Subtract: Remember to Regroup in Necessary!
8 2/6 - 4 1/9
8 6/18 - 4 2/18 = 4 4/18
Add: Remember to Make Improper Fractions a Mixed Number!
6 2/9 + 2 1/6
6 4/18 + 2 3/18 = 8 7/18
What are two denominators these fractions have in common?
3/7 and 1/4
Turn this improper fraction into a mixed number:
71/16
4 7/16
6/8 - 2/4
6/8 - 4/8 = 2/8
Subtract: Remember to Regroup in Necessary!
7 2/7 - 4 2/3
7 6/21 - 4 14/21= 2 13/21
Add: Remember to Make Improper Fractions a Mixed Number!
3 6/8 + 5 4/6
3 18/24 + 5 16/24 = 8 34/24 = 9 10/24
What are three common denominators between these two fractions?
2/6 and 1/8
18, 48, 72
Turn this improper fraction into a mixed number:
94/3
31 1/3
Subtract:
4/9 - 2/5
20/45 - 18/45 = 2/45
Subtract: Remember to Regroup in Necessary!
9 1/3 - 3 2/4
9 4/12 - 3 6/12 = 5 10/12
Add: Remember to Make Improper Fractions a Mixed Number!
7 4/5 + 2 3/4
7 16/20 + 2 15/20 = 9 31/20 = 10 11/20