Common Denominators
Find a common denominator for the pairs of fractions given:
1/2 and 2/4
Sample answer:
What is 4?
Solve.
1/2 + 2/6 = ?
What is 5/6?
Hallie bought a bamboo plant that was 3 2/4 feet high. When she got it home she cut 2 1⁄2 feet off of it. How tall was the plant after she cut it down?
What is 1 foot?
Find 1/4 of 16.
Solve:
1/4 divided by 8
What is 1/32?
Find a common denominator for the pairs of fractions given:
3/5 and 6/10
Sample answer:
What is 10?
Solve.
9/10 - 1/5 = ?
What is 7/10?
At the beach, Paul built a sandcastle that was 8⁄10 feet high. If he added a flag that was 2⁄4 feet high, what is the total height of his creation?
Your answer must be simplified.
What is 6?
Solve:
1/2 divided by 10.
What is 1/20?
Find a common denominator for the pairs of fractions given:
3/4 and 1/3
Sample answer:
What is 12?
Solve.
2 1/3 + 5 3/9 = ?
What is 7 2/3?
While exercising Roger jogged 10 2⁄6 kilometers and walked 9 1⁄2 kilometers. What is the total distance he traveled?
What is 19 5/6 kilometers?
Find 20 x 2/5.
What is 8?
A chef used one-seventh of a bag of potatoes for a meal. If the potatoes fed 3 people, what fraction of the bag did each person get?
What is 1/21 bag of potatoes?
Find a common denominator for the pairs of fractions given:
7/8 and 2/6?
Sample answer:
What is 24?
Solve.
10 2/6 - 4 3/4 = ?
What is 5 7/12?
A recipe called for using 6 3⁄6 cups of flour before baking and another 8 1⁄2 cups after baking. What is the total amount of flour needed in the recipe?
What is 15 cups of flour?
Solve:
4/8 x 3/6
Your answer must be simplified.
What is 1/4?
A car wash had to make their soap last 9 days. If they only have one-third of a gallon of soap, how much should they use each day so it lasts 9 days?
What is 1/27 gallon of soap?
Find a common denominator for the pairs of fractions given:
4/9 and 1/8 ?
What is 72?
Solve.
8 1/7 - 2 2/3 = ?
What is 5 10/21?
A recipe called for using 6 3⁄6 cups of flour before baking and another 10 1⁄2 cups after baking. What is the total amount of flour needed in the recipe?
You answer must be simplified to lowest terms.
What is 1 7/10 cups of flour?
Solve:
5/10 x 4/7 ?
Your answer must be simplified.
What is 2/7?
Mrs. Bell has 2/3 gallon of Gatorade. She wants to pour it into 22 cups for her students to drink after playing kickball. How much Gatorade should she put in each cup?
Simplify your answer.
What is 1/33 cups of Gatorade?