Fractions, Decimals, Converting Fractions, Decimals, And Percents, Ratios, Exponents Worksheet With Answers Page 2
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30Fractions
Adding Fractions:
-
You need a common denominator (bottom number).
-
Think of a number that can be divided equally by both of the old denominators.
NOTE: If you can't think of one, you can always multiply the old denominators
to come up with a new "common" denominator.
-
Divide the old denominator into the new denominator, multiply your answer by
the old numerator.
Example:
2/4 = 6/12
+ 1/3 = 4/12
Mixed numbers are OK
Example:
4 1/3 + 16 1/2 =
4 2/6 + 16 3/6 = 20 5/6
1.
3/8 + 1/8 =
2.
1/4 + 1/16 =
3.
1/4 + 2/5 =
4.
3 2/3 + 4 2/3 =
5.
10 1/2 + 3 6/7 =
6.
6 1/5 + 3 1/4 =
7.
Jack spent 1/3 of an hour on the phone in the morning and 1/2 of an hour on the
phone in the afternoon. How much time did he spend on the phone altogether?
8.
Sandi walked 2 1/4 miles on Monday, 3 miles on Wednesday, and 2 1/2 miles on
Thursday. How many total miles did Sandi walk?
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