Math Worksheet - 7th Grade Page 7
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11Compare and Order Fractions, Decimals, and Percents:
To compare or order two or more fractions.
• Find the least common denominator (LCD) of the fractions; that is,
find the least common multiple of the denominators.
• Write an equivalent fraction for each fraction using the LCD.
• Compare the numerators.
•Order the numerators
•Answers should always be in original fractional form
Examples: Replace
with <, >, or = to make
true.
The LCM of 3 and 12 is 12. So, the LCD is 12.
Rewrite each fraction with a denominator of 12.
×4
=
, so
.
×4
Now compare. Since
So,
Example 2: Order
and from least to greatest.
The LCD of the fractions is 24. So, rewrite each fraction with a denominator of 24.
×4
×8
, so
.
so
.
×4
×8
×3
×6
.
, so
.
so
.
×3
×6
The order of the fractions from least to greatest is
.
PRACTICE:
Replace each with <, >, or = to make a true statement.
1.
1. __________________
2
2. __________________
.
Order the fractions from least to greatest.
3.
3. __________________
4.
4. __________________
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