ADDITION: Example 2
- Rule 18:
- To add fractions, the denominators must be equal.
Complete the following steps to add two fractions.
- Build each fraction so that both denominators are equal.
- Add the numerators of the fractions.
- The denominators will be the denominator of the built-up fractions.
- Reduce the answer.
- Calculate .
- The answer is .
- The denominators are different, so you must build each fraction to a form where they both have the same denominator. Since both 4 and 6 will divide evenly into 12, build both fractions to a denominator of 12.
can now be written .
Add the numerators for the numerator in the answer. 9 + 2
The answer is .
This answer is already reduced, so you can skip step 4.
- You can check the answer with your calculator. Calculate 3 divided by 4, 1 divided by 6, and add the results. Now divide 11 by 12. Both answers should be the same.
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