ADD
2/9 + 2/9
4/9
8/10 - 4/10
2/5
1/2 times 3/5
3/10
2/5 divide 3/4
8/15
What is the first thing you need when adding or subtracting fractions?
Hint: You cannot add/subtract fractions unless you have this first
Common Denominator
3/4 + 1/10
17/20
1/3 - 1/4
1/12
3/5 times 1/3
1/5
1/3 divide 7
1/21
What is an improper fraction?
a fraction where the numerator is greater than the denominator
4/5 + 4/10
1 1/5
2 - 1/2
1 1/2
5 times 3/10
1 1/2
9 divide 3/4
12
Do you need a common denominator when multiplying or dividing fractions?
No! Only for adding and subtracting
5 1/3 + 8 1/4
13 7/12
7 4/5 - 2 1/2
5 3/10
3 times 2 1/2
7 1/2
6/7 divide 8/9
27/28
What are the steps to dividing fractions?
Multiply by recipricoal
(Keep, Change, Flip)
1/5 + 2/3 +1/2
1 11/30
5 1/4 - 4 2/5
17/20
2 2/5 times 2 1/2
6
4 1/2 divide 3 3/5
1 1/4
When multiplying or dividing fractions, what should you do when you see a mixed number?
Change the mixed number to an improper fraction