Divide the numerator and the denominator by their greatest common factor to reduce to its lowest equivalent fraction. For example, 169/260=13/20 after dividing the numerator and the denominator by 13.
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Divide the denominator into the numerator.
You multiply or divide both numerator and denominator by the same number.
Using ordinary long division, divide the fraction's numerator by its denominator.
you find the highest number that goes into both the numerator and the denominatior and divide both by that number.
if you multiply a number by a certain factor and then divide it by the same factor you do not change anything. It is like multiplying by 1. If you multiply only the numerator you have changed the answer and it is not equivalent.