Least Common Multiple and Equivalent Fractions
What is the least common multiple of 4 and 6?
12
Like Fractions
Fractions that have the same denominators
3/12 + 3/12
5/12
What is the product in simplest form:
-1/6 * 5/6
-5/36
What is the rule/steps for dividing fractions.
Keep
Change
Flip
Marvin and his friends ate 3/8 of a pie. What fraction of the pie is left over?
5/8
What is the least common denominator of the fractions:
2/3 and 1/2
Least common denominator is 6
Least Common Denominator
The least common multiple of the denominators of two or more fractions.
-7/10 - 4/10
-11/10 OR -1 1/10
2/3 * 7/12
14/36 = 7/18
7/8 divide 5/6
1 1/20
Alexandra's backpack weights 7 5/8 pounds. What is the weight of her backpack expressed as an improper fractions?
61/8
What is the least common denominator of these fractions:
5/12 and -2/8
The least common denominator is 24.
Mixed Number
Fractions that have a whole number part and a fraction part.
3/2 - 2/3
6
-1/5 * -3/3
3/15 = 1/5
3/2 divide 2/3
2 1/4
Timothy made 60 quarts of cider. He poured the cider into containers. Each container holds 4/11 of a quart. How many containers did Timothy use?
660/4 = 165 containers
Write the following question with common denominators using equivalent fractions:
-2/3 - (-1/2)
-4/6 - (-3/6) OR -4/6 + 3/6
Improper Fraction
Fractions with a numerator that is greater than or equal to the denominator.
1/8 + (-3/16)
-1/16
3 1/3 * 2 5/6
9 4/9
2/3 divide 2/5
1 2/3
If a puppet requires 3/4 yard of material, how many puppets can be made from 9 yard of material?
12 puppets
Rewrite the following question using equivalent fractions that have common denominators:
1/8 + (-3/16)
2/16 + (-3/16)
Bar Notation
The line or bar placed over the digits that repeat in repeating decimals.
8 2/7+ 10 4/7
18 6/7
Jake 2 1/9 times as old as Matt. If Matt is 18 years old, how old is Jake?
38 years old
5 7/8 divide 5/6
7 1/20
Juan took 6 apples and cut each into eights. How many pieces of apple did he have?
48 pieces