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Terminology
Terminology
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.
Examples
Examples
1 2 3
+ =
5 5 5
This answer cannot be
reduced any further.
9 5 = 4 ÷ 2= 2
14 14 14 7
The GCF of 4 and 14 is 2, so we divide by 2 to
reduce.
8 + 3 11
9 9 = 9
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.
1 Answer: 2
911 19
9
2
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