Compare 12/72 and 9/25, Which fraction is greater?

Compare 12/72 and 9/25

12/72 is smaller than 9/25

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 72 × 25 = 1800,
12/72 = 12 × 25/72 × 25 = 300/1800
Likewise, for the 2nd fraction, since 25 × 72 = 1800,
9/25 = 9 × 72/25 × 72 = 648/1800
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
300/1800 < 648/1800 or 12/72 < 9/25

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