Fractions, Decimals, Converting Fractions, Decimals, And Percents, Ratios, Exponents Worksheet With Answers Page 3
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30Subtracting Fractions:
-
You need a common denominator (see above).
Example: 2/4 = 6/12
- 1/3 = 4/12
-
Mixed numbers are OK.
Example: 16 1/2 – 4 1/3 =
16 3/6 – 4 2/6 =
-
You may need to borrow from the whole number.
8 1/6 – 4 5/6 =
Borrow 1 from your whole number "8" and add it as a fraction 6/6 to 1/6
7 7/6 – 4 5/6 =
(6/6 + 1/6 = 7/6)
1.
4/7 – 1/7 =
2.
1/3 – 1/4 =
3.
7/10 – 1/2 =
4.
4 2/3 – 2 1/3 =
5.
6 2/5 – 3 1/4 =
6.
7 1/3 – 4 ¾ =
7.
Mark lives 7 1/2 miles from school. Al lives 7 1/8 miles from school. Al lives how
much closer to school than Mark?
8.
Greg is 5 6/7 feet tall. His brother, Sam, is 5 3/4 feet tall. How much taller is Greg?
Multiplying Fractions:
-
No common denominator is needed.
Example: 1/2 x 1/4 = 1/8
-
Changed mixed numbers to improper fractions.
Example: 2 2/3 x 1/4 =
8/3 x 1/4 =
-
Multiple numbers straight across.
Example: 8/3 x 1/4 = 8/12 = 2/3
(reduce to lowest terms)
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