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To simplify a fraction you need to divide both the numerator (the number above the line) and the denominator (the number below the line) by any factors they share The factors of 91 are 7 and 13

The factors of 117 are 3, 3 and 13. They both share thirteen, so we can reduce the numerator to 7 and the denominator to (3 x 3) = 9 and we get a new fraction of 7/9

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16y ago

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