Fractions, Decimals, Converting Fractions, Decimals, And Percents, Ratios, Exponents Worksheet With Answers Page 25
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30Math Study Guide Answer Key
Fractions
Adding
1.
4/8 = 1/2
2.
4/16 + 1/16 = 5/16
3.
5/20 + 8/20 = 13/20
4.
3 + 4 = 7
2/3 + 2/3 = 4/3 = 1 1/3
7 + 1 1/3 = 8 1/3
5.
10 + 3 = 13
7/14 + 12/14 = 19/14 = 1 5/14
13 + 1 5/14 = 14 5/14
6.
6 + 3 = 9
4/20 + 5/20 = 9/20
9 + 9/20 = 9 9/20
7.
1/3 + 1/2 = 2/6 + 3/6 = 5/6
8.
2 1/4 + 3 + 2 1/2
2 + 3 + 2 = 7
1/4 + 1/2 = 2/8 + 4/8 = 6/8 = 3/4
7 + 3/4 = 7 3/4
Subtracting
1.
3/7
2.
4/12 – 3/12 = 1/12
3.
7/10 – 5/10 = 2/10 = 1/5
4.
4 – 2 = 2
2/3 – 1/3 = 1/3
2 1/3
5.
6 – 3 = 3
8/20 – 5/20 = 3/20
3 3/20
6.
7 – 4 = 3
4/12 – 9/12 (need to borrow from whole)
6 - 4 = 2
16/12 – 9/12 = 7/12
2 7/12
7.
7 1/2 – 7 1/8 = 7 8/16 – 7 2/16 = 6/16 = 3/8
8.
5 6/7 – 5 3/4
5 – 5 = 0
24/28 – 21/28 = 3/28
3/28
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