Fractions 101
What is an equivalent fraction to 1/2?
2/4, 4/8, 6/12, etc...
What is 3/2 as a mixed number?
1 1/2
1/2 + 1/3
5/6
Potato ran 1/3 of a kilometer, then 4/5 of a kilometer later in the day. How far did he run in total?
1/3 + 4/5 = 17/15 = 1 2/15 km
1/2 x 36
18
What needs to be the same about two fractions in order to add or subtract them?
the denominators
What is 1 2/3 as an improper fraction?
5/3
2/3 + 3/4
17/12 = 1 5/12
Dunkin Street is 3/4 of a mile long. Starbucks Street is 2/3 of a mile long. Which street is longer? By how much?
Dunkin Street is longer by 1/12 of a mile (3/4 - 2/3 = 1/12).
1/3 x 24
8
What is the bottom number in a fraction called and what does it tell you?
Denominator. It tells you how many parts the whole is split into.
What is 11/8 as a mixed number?
1 3/8
4/5 - 1/3
7/15
DAILY DOUBLE: If Mr. Burns has a bottle of water and he drinks 1/5 of it, then spills 1/2 of the original amount, how much water does he have left?
1 - 1/5 - 1/2 = 3/10 of the bottle
3/4 x 36
What is a fraction equivalent to 3/7?
6/14, 6/21, 12/28, 15/35, etc...
What is 5 3/7 as an improper fraction?
38/7
1 1/3 + 2 2/5
56/15 = 3 11/15
Hermione is mixing a potion. She mixed together 2/3 cup of troll snot, 2 1/3 cup of dragon blood, and 1 1/4 cup of orange juice. How many cups of potion has she mixed together so far?
2/3 + 2 1/3 + 1 1/4 = 4 3/12 cups or 4 1/4 cups
5/6 x 48
40
What is the reduced form of 24/36?
2/3
What is 37/3 as a mixed number?
12 1/3
6/7 - 5/6
1/42
Tim and Moby were making a cake. They mixed together 2 1/3 cups of flour, 1 3/4 cups of sugar, and 5/6 cup of baking soda. How many cups of dry ingredients total did they mix together?
2 1/3 + 1 3/4 + 5/6 = 1 11/12 cups
7/9 x 108
84