Multiplying Fractions
Multiplying Fractions and a whole number
Dividing Fractions
Multiplying Mixed Numbers
Dividing Mixed Numbers
100
1/8 x 1/5
What is 1/40
100
1/5 x 3
What is 3/5
100
7/2 / 1/2
What is 14/2 ---> 7
100
3 1/3 x 1/4
What is 10/3 x 1/4 -----> 10/4 -----> 2 1/2
100
8 / 1 1/5
What is 8/1 / 6/5 ----> 8/1 x 5/6 = 40/6 ----> 6 2/3
200
2/3 x 4/12
What is 8/36 ----> 2/9
200
3/7 x 7
What is 3?
200
Mr. Nakamura bought a block of fudge that weighed 2/5 of a pound. He cut the fudge into 4 equal pieces. What was the weight of each piece of fudge?
What is 2/5 / 4/1 -----> 2/5 x 1/4 -----2/20 ----> 1/10
200
2 1/4 x 2/5
What is 9/4 x 2/5 = 18/20 ----> 9/10
200
15/3 / 1 1/8
What is 15/3 / 9/8 ---> 15/3 x 8/9 = 120/27 = 4 12/27 ----> 4 4/9
300
6/12 x 5/6
What is 30/72 -----> 5/12
300
Mary needs 3/4 of a cup of sugar for one serving of her recipe. How many will she need for 5 servings?
What is 3/4 x 5/1 = 15/4 ---> 3 3/4 cups of sugar
300
3/8 / 5
What is 3/8 / 5/1 -----> 3/8 x 1/5 ----> 3/40
300
Chris has 3 pieces of ribbon that are 2 1/5 ft long each. What is the total length of the ribbon?
What is 3/1 x 11/5 = 33/5 ----> 6 3/5 ft long
300
3 4/5 / 2 3/4
What is 19/5 / 11/4 ----> (flip it) 19/5 x 4/11 = 76/55 ----> 1 21/55
400
At Morgan College, 3/4 of the students are enrolled in an art class. Of the students enrolled in an art class, 1/3 are enrolled in a painting class. What fraction of the students at Morgan College are enrolled in a painting class?
What is 3/12 ----> 1/4
400
2/15 of a class of 30 students wore glasses today. How many students is that?
What is 60/15 ---> 4 students
400
20/45 / 4/5
What is 20/45 x 5/4 -------> 100/180 -----> 5/9
400
2 3/5 x 3 1/2
What is 13/5 x 7/2 = 91/10 -----> 9 1/10
400
How many 5 1/4 inches are in 10 1/2 inches? Show the division problem.
What is 10 1/2 / 5 1/4 ----> 21/2 / 21/4 ---> 21/2 x 4/21 = 84/42 ---> 2
500
My garden is planted with flowers. 5/6 of the flowers are roses. 2/3 of the roses are yellow and the rest are red. What fraction of my roses are red?
What is 5/18 Because 2/3 of the 5/6 flowers are yellow. That means 1/3 of the 5/6 flowers are red roses.
500
Jennifer is baking blueberry pies to sell at her bakery. She starts with 10 cartons of blueberries, of which she uses 3/4 for the first batch of pies. How many cartons of blueberries does Jennifer use for the first batch of pies? How many cartons does she use for 3 batches of pies?
What is 10/1 x 3/4 = 30/4----> 7 1/2 What is 30/1 x 3/4 = 90/4 ----> 22 1/2 Or 7 1/2 become 15/2 x 3/1 ----> 45/2 = 22 1/2
500
15/4 / 3/7
What is 105/12 ----> 35/4
500
1 2/7 x 2 2/5
What is 9/7 x 12/5 = 108/35 = 3 3/35
500
4 1/6 / 5
What is 25/6 / 5/1 ----> 25/6 x 1/5 = 25/30 = 5/6
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