fractions with like denominators. terminology like decimals, fractions represent parts of numbers. a...
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Fractions With Like Fractions With Like DenominatorsDenominators
TerminologyTerminology
Like decimals, fractions represent parts of numbers. A fraction is usually a number that is between 0 and 1.
Numerator - number on top
Denominator - number on bottom
To add or subtract fractions To add or subtract fractions with like denominators:with like denominators:
• If the denominators are already the same, then you’re ready to add or subtract.
• Add or subtract the numerators. Keep the denominators the same.
• Simplify (reduce) the fraction, if possible.
• If you end up with an improper fraction, change it to a mixed number.
ExamplesExamples
1
5+
2
5=
35
This answer cannot be reduced any further.
914
514 =
414
The GCF of 4 and 14 is 2, so we divide by 2 to reduce.
÷ 2 = 27
89
+39 =
119
This is an improper fraction (the top is bigger than the bottom), so we want to change it to a mixed number.
To do this, divide the bottom into the top.
9 111
92
Answer:
1 29
Try SomeTry Some
712
512 =
47 + 1
7 =
815
+ 1215 =
16
57
1 13
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