Fraction+Addition_Subtraction

Adding two fractions together to get a fraction and then if posible to simplify
 * //Definition://**

**//Summary://**

**// How To: //**

Find the Common Denominator
 * //Steps://**

__Unlike Denominators__ 1. Write the problem vertically by listing the multiples. 2.Write the common denominator next to the other fractions and change it to an equivalent fraction. 3.Add/Subtract the numerators together and keep the same denominator. 4.When the denominator is found, simplify if needed.

__Same Denominators__ 1. Write the problem vertically. 2. Add/Subtract the numerators. 3. Write the fraction with the same denominators.

Easy:
 * 2/5 + 3/4= 23/20 3/6 -2/6= 1/6

// Medium:
 * 9/12 - 7/24= 11/24 //

Hard: 23/84-46/42

Pictures: adding fractions [online image] [|www.freemathhelp.com]11/12/09

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