Vocabulary
Decompose
To break down, make into an addition problem
1/5+2/5=
3/5
4/6 - 1/6 =
3/6 = 1/2
2\3______2/4
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Alvin walked 3/4 miles each way to and from school on Wednesday. How many miles did Alvin walk that day?
1 1/2 miles
Partition
Divide into parts
3/8+1/8=
4/8=1/2
1 - 1/3 =
2/3
3/2 ___________ 9/6
=
Piper spent 2/3 hour reading on Friday and 1 1/3 hours reading on Saturday. How much more time did she read on Saturday than Friday?
2/3 more of an hour
Numerator
Top number in a fraction (parts shaded)
6/5+1/5=
7/5=1 2/5
14/8 - 3/8 =
11/8 = 1 3/8
11/7 _____________ 5/3
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Roberto drank 3/16 of the water in his water bottle in the morning, 5/16 in the afternoon, and 3/16 in the evening. What fraction of water is left in the bottle?
5/16 of the bottle is left.
Denominator
Bottom n umber in a fraction (parts in the whole)
2/3 + 4/6 =
8/6 = 1 2/6 = 1/ 1/3
15/10 - 3/10 =
12/10 = 1 2/10= 1 1/5
4/5 _______10/12
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Amani baked 2 pans of brownies. Her family ate 1 5/6 pans. What fraction of a pan of brownies was left?
1/6 of a pan was left.
Common Unit
Same denominators
9/5 + 3/10 =
21/10 = 2 1/10
1 7/10 - 5/10
1 2/10 = 1 1/5
8/12 ___________ 5/8
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Two-fifths liter of Chemical A was added to 7/10 liter of Chemical B to make Chemical C. How many liters of Chemical C are there?
There are 11/10 or 1 1/10 liters of Chemical C.