Addition
In order to add or subtract fractions, they must have the same __________.
Subtract the following fractions
⅞ - ⅚
1/24
When multiplying fractions you multiply the numerators and then multiply the denominators.
True or False
True
Dividing fractions is the same as multiplying by the __________?
Reciprocal
What is the LCD
⅖ and ⅓
15
What is the LCD of
7/4 and 2/20
20
Multiply
3/2 X 6/8
18/16 = 9/8
⅚ / ¾
20/18 = 10/9
Convert this mixed number to an improper fraction
1 3/7
10/7
Subtract
3 ½ - 2 ⅔
5/6
9/11 X 3/4
27/44
⅖ / ⅗
10/15 = 2/3
Mr. Petrone mowed ⅓ of his lawn before lunch. After lunch, he mowed 3/9 more of his lawn. What fraction of the lawn did he mow in all?
6/9 = 2/3
Subtract
8/10 - 3/20
13/20
Miguel loves birds. In fact, he owns 12 parrots. 5/6 of his parrots are female. How many of his parrots are female?
60/6 = 10
Shirley has 5/6 ounces of gold. Each pair of earrings she creates requires 2/9 ounces of gold. How many earring can she make from this amount of gold?
5/6 X 9/2 = 45/12 = 3 9/12 = 3 3/4
An octopus weighed ⅚ kilograms. After two weeks, its weight was increased by 3/10 kilograms. But afterwards, it lost ⅕ kilograms in weight as it was sick. What is its current weight?
5/6 + 3/10 − 1/5 = 14/15 The current weight of the octopus is 14/15 kilograms
Two kinds of fish can be found in a small tank that is 5 1/7 feet long. The blue fish is 2/15 feet long and the orange fish is 7/10 feet long. How much longer is the orange fish?
7/10 − 2/15 = 17/30 The orange fish is 17/30 feet longer than the blue fish.
Justin runs ¾ of a mile every day to stay in shape. Today, however, he only ran ½ of this distance. How many miles did he run?
3/8
3 2/3 ÷ 1 1/2
22/9