Adding Fractions w/ unlike denominators
1/2+1/4
3/4
1/2-1/4
1/4
What is the bottom part of the fraction called?
The denominator
10 4/5 + (8 3/4 - 6 1/2)
13 1/20
Eloise bought 3 boxes of crackers to share with her friends over the weekend. They ate 1/2 box of crackers on Saturday and 2/3 box of crackers on Sunday.
How many boxes of crackers were left over?
1 5/6
1/6+2/3
5/6
2/3-1/6
3/6 or 1/2
What is the top part of the fraction called?
The numerator
12 2/3 + (9 6/8 - 3 1/4)
19 1/6
Natalie put 1/3 cup of flour in a bowl. Her sister put another 3/4 cup of flour in the bowl. They need a total of 4 cups of flour in the bowl.
How many more cups of flour do they need to put in the bowl?
2 11/12
1/5+3/10
5/10 or 1/2
1/5-1/10
1/10
What does equivalent mean?
Equal in value or the same in value.
8 7/8 + (7 5/6 - 2 1/3)
14 3/8
Jada biked 3/5 kilometer and then stopped to adjust her helmet. She biked another 1/2 kilometer and stopped to drink some water. Jada has to bike a total of 3 kilometers.
How many more kilometers does Jada have to bike?
1 9/10
6/12+2/6
10/12 or 5/6
2/4-2/8
2/8 or 1/4
What does simplify mean?
To reduce a fraction make the fraction as small as possible.
6 9/10 - (1 1/3 + 2 1/2)
3 1/15
A construction worker needs 3 2/3 pounds of concrete mix. He has 1 1/2 pounds of concrete mix in one bag, and he has 3/10 pound of concrete mix in another bag.
How many more pounds of concrete mix does the construction worker need?
1 13/15
2/7+7/14
11/14
4/6-1/12
7/12
What is a common denominator?
When the bottom number of the fraction is the same for both fractions.
(5 1/4 - 2 1/2) + (6 2/3 - 3 1/2)
5 11/12
A landscaper needs 3 4/8 pounds of plant food. He has 1 1/4 pounds in his truck, and another 4/6 pound at his shop.
How many more pounds of plant food does the landscaper need?
1 7/12