Adding Fractions With Like Denominators
4/8 + 1/8
5/8
3/4 - 2/4
1/4
2/3 + 1/4
11/12
2/3 - 1/2
1/6
What is the first step in adding fractions with unlike denominators?
Find the least common denominator.
5/8 + 2/8
7/8
12/13 - 9/13
3/13
2/3 + 1/2
7/6 or 1 1/6
8/12 - 1/4
5/12
What is the first step in subtracting fractions with unlike denominators?
Find the least common denominator.
8/12 + 5/12
13/12 1 1/12
24/36 - 15/36
9/36
1/2 + 3/4
1 1/4 or 5/4
5/6 - 2/3
1/6
What is the least common denominator for 4 and 6?
12
15/16 + 11/16
26/16 or 1 5/8
34/40 - 19/40
15/40
5/12 + 2/3
13/12 or 1 1/12
18/24 - 1/2
6/24 or 1/4
What is the least common denominator for 7 and 5?
35
9/16 + 15/16
24/16 or 1 1/2
67/90 - 49/90
18/90 or 6/15
3/4 + 2/3
17/12 or 1 5/12
45/60 - 1/3
25/60
Jamal had 4/8 of a cake, he bought 7/10 of a pie. His friend, Dontavius, ate 22/40 of the dessert. How much of the leftovers are left?
26/40