Adding
3/5 + 1/5
4/5
3/5 - 3/10
3/10
1/2 * 3/4
3/8
3/16 divided by 1/2
6/16
What is the number on the top of the fraction called?
Numerator
2/3 + 1/6
5/6
4/6 - 1/12
7/12
2/3 * 3/5
6/15
7/12 divided by 3/4
28/36
What is the number on the bottom of the fraction called?
Denominator
5/8 + 1/4
7/8
3/4 - 1/3
5/12
3/5 * 3/10
9/50
5/11 divided by 2/3
15/22
How do we add fractions when they have different denominators?
Find the Least Common Denominator
Make the denominators the same
7/10 + 4/15
29/30
7/8 - 1/4
5/8
7/10 * 3/4
21/40
1/3 divided by 13/9
9/39
How do we multiply fractions?
Multiply straight across. DO NOT have to have the same denominators.
3/7 + 1/3
16/21
13/15 - 3/10
17/30
1/4 * 3/8
3/32
1/6 divided by 8/11
11/48
How do we divide fractions (what is the saying)?
Keep, Change, Flip!