1.
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WRITE THE NUMBERS VERTICALLY
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2.
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DO YOU HAVE A COMMON DENOMINATOR?
(same bottom number = same size pieces)
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NO: Continue below...
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Change to equivalent fractions with a common denominator:
- Find a number divisible by BOTH denominators (such as the LCM: Least Common Multiple).
- Multiply both the numerator AND denominator of one fraction by the SAME NUMBER to get an equivalent fraction
with the common denominator.
- Repeat with the other fraction.
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3.
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DO the Addition:
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- Add the numerators
(to find the total number of pieces).
Keep the same denominator.
- Add the whole numbers (if any).
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4.
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IS THE FRACTION IN LOWEST TERMS?
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NO: Continue below...
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Improper fraction:
(Top number is greater than the bottom
number.)
- Divide the top BY the BOTTOM;
- Write any
remainder as the numerator of a fraction using the same
denominator.
Reduce the fraction:
- Divide both the numerator and the denominator by the same number.
- Repeat
until the only common factor is one.
Go to the NEXT step...
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5.
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Check your answer.
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