Subtract Fractions: Like Denominators
9-2
Kevin had ^78 yard of felt. He used
^38 yard to make a pirate’s hat.
How much felt was left?To find how much was left, subtract:
7
8 3
8 To subtract fractions with like denominators:Subtract the numerators.
7
8 3
8 4
4 Write the like denominator.
7
8 3
8 4
8 Write the difference ^48 ^48 ^44 ^12
in simplest form.There was
1
2 yard of felt left.Study these examples.
3
4 7
9
3
4 5
9
^04 0 simplest form ^29 Find the difference in simplest form.
Yo u can use a number line to help.- 1
9
0 1
2
0 2.
3
5 2
5 3. 4
7 2
7 4. 3
4 1
4 (^0) 8 8 (^12) 8 38 84 85 (^6878) 88 _
Think
7 3 4
GCF: 4
Factors of 4:
1, 2, 4
Factors of 8:
1, 2, 4 , 8
1.9
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