Adding Fractions
1/8 + 3/4?
7/8
π
Subtracting Fractions
4/5 - 3/8
17/40
π
Hannah runs 1/6 hour at school and 5/6 hour at home. About how long does she run in all?
About 1/2 hour
Adding Fractions
3/10 + 2/6
18/60
π
Subtracting Fractions
2/8 - 5/40
1/8
π
About 1 1/2 pounds of fruit.
Adding Fractions
9/12 + 5/8
33/24 or 1 9/24 or 1 3/8
π
Subtracting Fractions
6/10 - 1/8
19/40
π
Write 2/5 and 1/3 as equivalent fractions using a common denominator.
Possible answers: 6/15 and 5/15 or 12/30 and 10/30
Adding Fractions
6/15 + 3/10
21/30 or 7/10
π
Subtracting Fractions
16/25 - 2/4
7/50
π
Write the unknown number for each ?.
1/3, 5/?
Common denominator: 24
8
Adding Fractions
1/5 + 11/12
1 7/12
π
Subtracting Fractions
18/20 - 3/6
2/5
π
Write the first 10 multiples for each of the denominators to find the least common denominator for the following fractions and then rewrite them as equivalent fractions.
3/4 and 2/6
4,8, 12, 16, 20, 24, 28, 32, 36, 40
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
LCD: 12
Equivalent fractions: 9/12 and 4/12