Add and Subtract Fractions
3/8 + 1/6 =
13/24
2 and 4/9 + 1 and 1/4 =
3 and 25/26
Mikaela decorates a cake. When she starts, 5/6 of the tube has decorative icing. She uses 3/4 of the tube to decorate the cake. How much icing is left in the tube?
1/12 of the icing is left in the tube
1/3 + 3/4 = 3/4 + 1/3 is an example of what property of addition?
Commutative Property of Addition
3/4 - 7/12 =
2/12
200 bonus points for= 1/6
4 and 1/2 - 2 and 1/3
2 and 1/6
Amy eats 1/3 of a small pizza at a restaurant and takes the rest home. The next day, Amy eats 1/4 of the pizza lunch. How much pizza did Amy eat?
Amy ate 7/12 of pizza
(3/8 +1/6) + 5/6 = 3/8 (1/6 +5/6) is an example of what property of addition?
Associative Property of Addition
1/3 + 5/12 =
9/12
200 Bonus points for 3/4
5 and 1/3 + 3 and 3/7
8 and 16/21
For his daily exercise, Kado likes to travel 8 miles. Today he jogs 3 and 2/5 miles and walks 4 and 7/10 miles. Does Kado meet his goal? Explain.
Yes, he meets his goal because he travels a total of 8 and 1/10 miles.
You can use a ___________ to compare and estimate fractions.
Benchmark
5/6 - 1/3 =
3/6
200 bonus points for 1/2
3 and 1/3 - 2 =
1 and 1/3
Keshawn runs 6 and 3/8 laps around a track. Mark runs 3 and 3/4 laps around the track. How many more laps does Keshawn run than Mark?
Keshawn runs 2 and 5/8 more laps than Mark.
An _________ uses a different numerator and denominator to name the same part of a whole.
Equivalent fraction
1/7 + (2/7 + 2/3) =
1 and 2/21
16 - 7 and 1/2 =
8 and 1/2
Ryan rakes leaves for 3 hours. The time he spends raking leaves is 1 and 1/4 hours more than the time he spends playing basketball. How long does Ryan play basketball?
Ryan plays basketball for 1 and 3/4 hours.
The ________ of two fractions is a common multiple of their denominators.
Common denominators