Equivalent Fractions/ Common Denominators
What could be a common denominator for 1/4 and 1/5?
1/20 -- 20 could be the common denominator
3/4 + 1/2 = ?
1 1/4
What is 2/3 of 1/2?
2/6 or 1/3
What is 1/5 of 15?
3
What is a common denominator for the fractions 1/2 and 2/3?
1/6 Could be a common denominator
1/2 = 3/6
2/3 = 4/6
1/6
What is 2/5 * 3/4?
6/20 or 3/10
What is 3/5 of 15?
9
What is the smallest common denominator for 1/4 and 5/6?
12ths (1/12) is the lowest common denominator
6 1/3 + 3 1/5 = ?
9 8/15
3/7 x 1/5 = ?
3 / 35
4
Rewrite the fractions as equivalent fractions with a common denominator.
2/3 and 5/6
2/3 = 8/12
5/6 = 10/12
5 3/4 - 2 2/5 = ?
3 7/20
Bailee has 1/3 of a gallon of juice. She wants to pour it into 3 smaller containers for her lunch. How much juice should she put in each container?
Write a number model to show your thinking.
1/3 / 3 = 1/9 gallons in each
Will 15 * 6/7 be greater than or less than 15? Explain
It will be less than 15 because 15 is being multiplied by a number less than 1. (6/7)
Rewrite the fractions as equivalent fractions with a common denominator.
3/7 and 1/5
3/7 = 15/35
1/5 = 7/35
August walked 3 5/8 miles on Monday and 1 3/8 miles on Tuesday. How many miles did he walk on Monday and Tuesday all together?
5 miles
Mr. H has 8 pounds of sand for the outdoor volleyball court. If he divides the sand into bags that are 1/3 of a pound, how many bags will he have?
Write a number model to show your thinking.
8 / 1/3 = B
24 bags
12 * 4/6
8