Common Denominator
Find a common denominator for 1/4 and 3/5.
What is 20?
1/4+2/4
What is 3/4?
When multiplying fractions, what do you do to the numerators and denominators?
What is multiply the numerators and multiply the denominators.
Lucas ran 1 3/8 miles on Monday and 2 5/8 miles on Tuesday.
How many miles did he run in total?
What does the word "of" mean
What is multiplication?
Find a common denominator for 2/3 and 5/8.
What is 24?
3/5+1/10
What is 7/10?
2/3×4/5
What is 8/15?
Emma drank 2/3 of a bottle of water during soccer practice and 1/4 of the bottle after practice.
How much of the bottle did she drink in total?
What is 11/12?
Look at the problem: 18 × 2/5
Will the product be greater than 18?
What is no?
Find a common denominator for 3/7 and 4/9.
What is 63?
7/8−3/4
What is 1/8?
3/4×5/6
What is 5/8?
Write a number story that matches the expression 3/4 × 16, then solve it.
What is
Example story:
A baker made 16 muffins. He sold 3/4 of them. How many muffins did he sell?
Answer: 12 muffins
Look at the problem: 18 × 2/5
Will the product be greater than 2/5?
What is yes?
Find a common denominator for 5/6 and 7/10.
What is 30?
9 1/3 + 3 1/5
What is 12 8/15?
8×3/5
What is 24/5 or 4 4/5?
A pitcher holds 3/4 gallon of lemonade. If it is poured equally into 3 cups, how much lemonade is in each cup?
What is 1/4 gallon?
A jug contains 2/3 gallon of juice. If the juice is poured equally into 4 cups, how much juice goes into each cup?
What is 1/6?
Find a common denominator for 7/12 and 5/18.
What is 36?
11 3/4 - 6 2/3
What is 5 1/12?
11×2/3
What is 22/3 or 7 1/3?
A teacher has 4 pounds of modeling clay. She divides the clay into 1/2-pound pieces.
How many pieces will she have?
What is 8 pieces?
What is: answers may vary