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Similar to 2.1 comparing & ordering fractions
Similar to 2.1 comparing & ordering fractions (20)
2.1 comparing & ordering fractions
- 4. Use >, <, or =.
5
3
3
2
9 10<
<
“Butterfly” method
- 5. Use >, <, or =.
10
3
4
1
12 10>
>
“Butterfly” method
- 9. One way to compare or
order fractions is to
express them with the
same denominator.
- 12. Use LCD
List the fractions in order
from greatest to least.
3
2
,
9
5
,
12
7
,
6
1
- 13. Use LCD
Step 1: Find the
LCM of the
denominators
3
2
,
9
5
,
12
7
,
6
1
- 14. 6, 12, 18, 24, 30, 36, 42, 48…
LCD = 36
Find the
LCD:
12, 24, 36, 48 …
9, 18, 27, 36, 45 …
3, 6, 9, 12, 15, 18, 21, 24,
27, 30, 33, 36 …