ADD
5/16 + (-7/16)
-1/8
11/6 - (-7/6)
3
-3/4 times (-10/9)
5/6
-1 7/8 divide 9/6
-1 1/4
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
-2 1/2 + (-3 1/4)
-3/4
-5/8 - (-15/8)
5/4 or 1 1/4
-4/9 times -1/4
4/36
-2 divide -3 4/5
What is an improper fraction?
a fraction where the numerator is greater than the denominator
-2/3 + 1/2
-1/6
-5/6 - 1/2
-4/3 or -1 1/3
-5 3/5 times -3 4/7
20
-15 divide 10/11
Do you need a common denominator when multiplying or dividing fractions?
No! Only for adding and subtracting
7/12 + (-1 2/3)
-1 1/12
1 2/5 - (-3 3/4)
5 3/20
2 1/2 times -8
-20
6/7 divide 8/9
27/28
What are the steps to dividing fractions?
Multiply by recipricoal
(Keep, Change, Flip)
-1 3/4 + (-3 3/4)
-5 1/2
-8
4 1/4 times 2 2/3
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