How To Add Fractions
- December 4, 2009
- 3,073 Views
Writer
Jacob_Beavers
Music
James Panepinto
Voice Over Artist
Robyn Ferrari
Simplify your life, and your fractions, by following these steps.
You Will Need
- Pencil
- Paper
Step 1: Add fractions with the same denominator
Add fractions that have the same bottom number, or denominator. Add the top numbers, or numerators, together, and keep the denominator the same.
Step 2: Find common denominator
When you are adding fractions with different denominators, find a denominator that is common to both fractions. To change a denominator without changing the value of the fraction, multiply the top and the bottom numbers by the same number.
For instance, to add the fractions 3/4 and 5/12, multiply both numbers in 3/4 by three to get 9/12.
Step 3: Add numerators
Add the numerators together, and keep the denominators the same. For example, add 9/12 and 5/12 by adding the numerators – nine and five – to get 14/12.
Step 4: Simplify
Simplify the solution by dividing the numerator and denominator by the same number to make the lowest possible fraction. For example, the fraction 14/12 can be simplified by dividing both numbers by two for the answer 7/6, which can also be written as 1 1/6.
Fractions have been used throughout the last 2,000 years.
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