200's: Lowest Common Denominators and Equivalent Fractions
300's are addition and subtraction with different denominators
400's are multi-step problems
500's are word problems
100
This is the name for the number on the top of the fraction.
What is the numerator?
100
This is the name for the number on the bottom of the fraction.
What is the denominator?
100
This is the name of a fraction where the numerator is larger than the denominator. (For example: 11/7)
What is an improper fraction?
100
Two fractions that have different numerators and denominators but have the same value are called _______ .
(For example 1/4 and 4/16.)
What are equivalent fractions.
100
When adding up two fractions with different denominators, the first thing you have to do is find the __________ ________ ________ .
What is the lowest common denominator.
200
Find the lowest common denominator and equivalent fractions for 1/2 and 1/3 .
The Lowest Common Denominator is 6.
Equivalent fractions are: 1/2 = 3/6 , and 1/3 = 2/6 .
200
Find the lowest common denominator and equivalent fractions for 7/8 and 3/10 .
The Lowest Common Denominator is 40.
Equivalent fractions are: 7/8 = 35/40 , and 3/10 = 12/40 .
200
Find the lowest common denominator and equivalent fractions for 2/3 and 3/4 .
The Lowest Common Denominator is 12.
Equivalent fractions are: 2/3 = 8/12 , and 3/4 = 9/12 .
200
Find the lowest common denominator and equivalent fractions for 1/4 and 5/6 .
The Lowest Common Denominator is 12.
Equivalent fractions are: 1/4 = 3/12 , and 5/6 = 10/12 .
200
Find the lowest common denominator and equivalent fractions for 1/2 and 1/8 .
The Lowest Common Denominator is 8.
Equivalent fractions are: 1/2 = 4/8 , and 1/8 = 1/8 .
300
3 and 1/4 + 1 and 7/8.
What is 5 and 1/8 .
300
6 and 9/10 - 5 and 4/5 .
What is 1 and 1/10 .
300
2 and 3/8 + 8 and 5/6
What is 11 and 5/24.
300
9 and 1/4 - 2 and 5/8
What is 6 and 5/8
300
5 and 1/3 - 3 and 7/10
What is 1 and 19/30 .
400
( 4/5 + 2/3 ) + 1/5
What is 1 and 2/3 .
400
1 and 1/4 + ( 3/4 + 2/7 ) .
What is 2 and 2/7 .
400
( 1/6 + 4/5 ) + 5/6
What is 1 and 4/5 .
400
( 1/6 + 3/7 ) + 2/7
What is 37/42 .
400
(2 and 5/12 + 4 and 1/4) + 1/4
What is 6 and 11/12 .
500
Siera spent 2/3 of her earnings on clothes and 1/5 on school supplies. She saved the rest. What fraction of her earnings did she save?
What is 2/15 .
500
Noah made 1 and 1/2 dozen blueberry muffins and 1 and 3/4 dozen lemon muffins. He needs to take 5 dozen muffins to the bake sale. How many dozen more muffins does he need to bake ?
What is 1 and 3/4 dozen muffins.
500
Ben has 5 and 3/4 cups of sugar. He uses 2/3 cups of sugar to make cookies. Then he uses 2 and 1/2 cups of sugar to make fresh lemonade. How many cups of sugar does Ben have left?
What is 2 and 7/12 cups of sugar.
500
Makayla walks for exercise. She wants to walk a total of 6 miles. On Monday she walked 2 and 5/6 miles, and on Tuesday she walked 1 and 1/3 miles. How many more miles does she need to walk to reach her goal?
What is 1 and 5/6 miles.
500
Cheryl has 5 feet of ribbon. She uses 3 and 3/4 feet to make a hair bow, and 5/6 feet to make a border on a scrapbook page. How much ribbon does she have left?