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3/15 = 1/5

this is because the Common Divisor is 3... i.e. both the nominator & denominator are divisible by 3 : 3/3=1 & 15/3 = 5

In this instance 3 is the Lowest Common Divisor but 3/15 is also equal to 6/30s & 12/60s too...

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15y ago

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