Add/Subtract Fractions
2 5/6 + 7/12
3 5/12
2/3 of 24
16
_____ + 1/5 = 2
1 4/5
8 sodas for $4 or 2 sodas for $3?
8 sodas for $4
8 sodas for $4 is the same as 2 sodas for $1
Ralph ran 3/5 of a mile. Jane ran 1/4 of a mile. How much further did Ralph run than Jane?
7/20
2/5 + 3/4
1 3/20
2/12 of 72
12
3 3/6 - ______ = 2
1 1/2
4 toys for $25 or 5 toys for $30?
5 toys for $30
4 toys for $25 = 20 toys for $125
5 toys for $30 = 20 toys for $120
Tara ran 9/10 of a mile and then walked 5/12 of a mile. ABOUT how much did Tara go in all?
A. More than a mile
B. Less than a mile
C. Between 1 and 2 miles
C
9/10 is about a mile
5/12 is about a half a mile
1 + 1/2 = about 1 1/2
1 1/2 + 8/6
2 5/6
Jerry ran 1/4 of a 36 km race before stopping. How many kilometers did he run to that point?
9
4/6 + ______ = 1 2/3
1
12 cans for $8 or 6 cans for $5?
12 cans for $8
12 cans for $8 because it's the same as 6 cans for $4
Jim is 5 2/6 feet tall. Al is 5 1/3 feet tall. Who's taller and by how much?
They are the same height.
8 5/12 + 3/4
9 1/6
5/6 of 36
30
____ - 2 4/5 = 2 4/5
5 3/5
3 sandwiches for $12 or 6 sandwiches for $24?
They are the same
Matt is making cupcakes. He mixed together 2 1/3 cups of flour, 1 1/2 cups of sugar, and 2/5 of a cup of eggs into a bowl. How many ingredients did he mix together in all?
4 7/30
2 1/3 = 2 10/30
1 1/2 = 1 15/30 = 3 37/30 = 4 7/30
2/5 = 12/30
8 8/7 + 3 4/3
13 10/21
4/3 of 24
32
7 1/3 + ______ = 15 1/9
7 7/9
16 books for $12 or 14 books for $10?
14 books for $10
Both can be divided to make 8 books for $6 and 7 books for $10. Common denominator becomes $30. In this, you'd get 40 books for $30 for the 16/12 and get 42 books for $30 in the 14/10.
Zane biked 2/3 of a mile to school and then another 2/4 of a mile to his grandmother's house, where his parents would pick him up after work. Zane said he biked a little less than a mile in all. Is this a reasonable answer? Why or why not?
No it is not because he biked more than a mile since 2/3 is more than half a mile and 2/4 is exactly half a mile.