Vocabulary
These help you find common denominators so you can add and subtract.
What are multiples?
Estimate these fractions, then solve.
8/9 + 4/7
1 1/2
What is the LEAST common denominator for 1/6 and 1/9?
18
Using the least common denominator, what are the equivalent fractions for 2/5 and 1/10?
4/10 and 1/10
Find the difference (answers must be in simplest form):
11/18 - 1/6
4/9
This word means smallest and is found in the acronym LCM.
What is least?
Estimate these fractions and then solve.
3 2/5 - 5/8
3
What is the LEAST common denominator for 3/8 and 3/10?
40
Using the least common denominator, what are the equivalent fractions for 5/6 and 3/8?
20/24 and 9/24
Find the sum (answer must be in simplest form):
2/7 + 2/5
24/35
These help us simplify fractions.
What are factors?
Estimate these fractions then solve.
1 5/6 + 2 2/11
4
What is the LEAST common denominator for 1/9 and 5/12?
36
Using the least common denominator, what are the equivalent fractions for 1/3 and 2/7?
7/21 and 6/21
Find the difference (answer must be in simplest form):
3/4 - 3/10
9/20
The answer to an addition problem.
What is sum?
Keisha makes a large sub sandwich for a family picnic and takes 1/2 to the picnic. Her family eats 3/8 of the sandwich. What fraction does of the sandwich does she bring back from the picnic?
1/8
The answer to a subtraction problem.
What is the difference?
Mike is mixing paint for his walls. He mixes 1/6 gallon of blue paint and 5/8 gallon of green paint in a large container. What is the total amount of paint that Mike mixes AND what color did he make?
19/24 gallon
Teal or aqua.