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How do you subtract a fraction with a different denominator?

April 26, 2017denominator different fraction subtract

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How do you subtract a fraction with a different denominator?

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change the denominators to be the same, as you would for addition, so if you have 1/2 minus 1/4 – change the 1/2 to be 2/4 (denominators are the same) to do this multiply denominator by a number that equals the other denominator, in this case 2 and then times it to the top number, hence 2/4.