Fraction Vocabulary
The top number of a fraction
Numerator
5/ 8 of the staff are male. 5/ 12 of the staff works part time at the aquarium. What fraction of the staff is female?
3/8
1/2 + 2/3
1 1/6
It is harvest season at Joe’s Farm. He has two pumpkin fields and the total area of the two pumpkin fields is 3 2/5 acres. The big field yield 3 2/5 tons of pumpkins and the small 2 1/12 tons of pumpkins. What is the total yield of pumpkins?
5 29/60 tons
True or False: 5 2/9 + 6/7 = 6 5/62
False = 6 5/63
The bottom number of a fraction / total number of parts
Denominator
The sharks are fed three times a day. During the morning feeding, 2/ 15 of a ton of fish is fed. During the afternoon feeding, the weight of fish fed will be 1/15 of a ton more than the fish fed during the morning. If the total weight of fish fed in a day is 1/ 2 of a ton, how much is fed during the feeding at night?
1/6 ton of fish is fed during the feeding at night.
4/10 + 4/5
1 1/5
8/9 X 1/2
4/9
True or False: 2 1/2 + 5/6 = 3 1/3
True
Different fractions that have the same value are called
Equivalent Fractions
A baby otter was born 3/ 4 of a month early. At birth, its weight was 7/ 8 kilograms, which is 9 /10 kilogram less than the average weight of newborn otter in the aquarium. What is the average weight of newborn otter?
1 31/40 kg
4/5 - 2/3
2/15
3/15 X 3/7
3/35
True or False : 2/6 + 1/4 = 7/12
True
When denominators are different and we have to add or subtract fractions, we have to find a common ______.
multiple / denominator
The penguin nursery is open two times a day: 2/ 3 hour at noon and 5/ 12 hour in the afternoon. How much time is the penguin nursery open every day?
1 1/2 hours
2/3 - 3/8
7/24
A baker is making croissants. He has 18 pounds of dough. Each croissant is made from 1/8 pounds of dough. How many croissants can he make?
144 croissants
5, 926 divided by 21
282 R 4
When a final answer fraction still has multiples in common between the numerator and denominator, we have to put it into ____________.
Simplest form / lowest terms
An octopus weighed 5/ 6 kilograms. After two weeks, its weight was increased by 3/ 10 kilograms. But afterwards, it lost 1/ 5 kilograms in weight as it was sick. What is its current weight?
The current weight of the octopus is 14/15 kilograms.
16 3/9 - 10 2/5
5 14/15
Olivia used 1/2 pound of peppers and 1/15 pound of cheese to make 3 pizzas. If she uses the same recipe to make 5 pizzas, how much cheese is needed?
1/15 ÷ 3 × 5 = 1/9
1/9 pound of cheese is used to make 5 pizzas.
2, 345 X 39
91, 455