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Adding Fractions

Adding Fractions

Valerie Stoffels

on 6 March 2013

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Transcript of Adding Fractions

Adding Fractions with the Same Denominators The answer to an addition problem is called the SUM or TOTAL Re-write your answer as a simplified or reduced fraction, if needed.
In our example, the answer (5/6) is already in its simplest form. So, no further action is required! FINAL STEP Adding Fractions Adding Fractions with Different Denominators Add 1/2 + 1/3 ADD the numerators, and keep the denominator of the equivalent fractions (which is 6). STEP 3 To add fractions with the same denominators, add the numerators, and put the total over the denominator. EXAMPLE TN State Standards GLE 0506.2.4 Develop fluency with addition and subtraction of proper and improper fractions and mixed numbers; explain and model the algorithm.
GLE 0506.2.5 Develop fluency in solving multi-step problems using whole numbers, fractions, mixed numbers, and decimals. DON'T FORGET To simplify improper
fractions + Denominators must be equal. And the easiest way to find a common denominator is to just multiply the denominators.

2 x 3 = 6

The Common Denominator for 1/2 and 1/3 is 6 Re-write each equivalent fraction using this new denominator. Since 1/2 is equivalent to 3/6 AND 1/3 is equivalent to 2/6 We re-write our equation to read…
Add: 3/6 + 2/6 STEP 2 STEP 1 3/6 + 2/6 = (3 + 2 )/6 = 5/6 + = And Reduce Fractions by dividing by the greatest common divisor Practice http://www.ixl.com/math/grade-5/add-fractions-with-unlike-denominators http://www.sheppardsoftware.com/mathgames/fractions/LeastCommonDenomimator.htm Game
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