Fraction Addition and Subtraction
2/5 + 1/4
13/20
4 divided by 1/5
20
1/3 x 4/5
4/15
Ryan has a board that is 2 feet long. He cuts the whole board into pieces that are each 1/4 foot long. How many pieces does Ryan have?
8 pieces
4 x 1/6
4/6 or 2/3
4/5 - 1/3
7/15
3 divided by 1/6
18
2/8 x 1/4
2/32 or 1/16
Toby spends 2/5 of his money on movie tickets. He spends 1/3 of the remaining money on popcorn. He has $10 left. How much money did Toby have to begin with?
Toby had $25 to begin with.
1/3 x 5
5/3 or 1(2/3)
3 - 1(1/2)
1(1/2)
10 divided by 1/3
30
3/4 x 2/3
6/12 or 1/2
A pizza shop sells 360 pizzas. 1/5 of the pizzas have mushrooms. 3/4 of the remaining pizzas have green peppers. The rest have pineapple. How many pizzas have pineapple?
72 pizzas have pineapple.
3 x 3/2
9/2 or 4(1/2)
2(5/6) + 3/4
3(14/24) or 3(7/12)
6 divided by 1/4
24
1/10 x 1/2
1/20
Someone has 160 beads. They give away 2/5 of the beads. They use the remaining beads to make 6 identical necklaces. How many beads are on each necklace?
( 3/5 × 160) ÷ 6 = 16
There are 16 beads on each necklace
2/7 x 4
8/7 or 1(1/7)
5(2/3) - 3(1/4)
2(5/12)
7 divided by 1/7
49
2/6 x 1/4
2/24 or 1/12
Jada spent 4/9 of her money on a toy. She gave 1/5 of what was left to a charity. She has $80 left. How much money did Jada have to start?
( 1/4 × 80) × 9 = 180
Jada had $180 to start
5/6 x 6
30/6 or 5