Compare 4/75 and 90/72, Which fraction is greater?

Compare 4/75 and 90/72

1^st number: 4/75, 2^nd number: 1 18/72

4/75 is smaller than 90/72

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 75 × 24 = 1800,
4/75 = 4 × 24/75 × 24 = 96/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
90/72 = 90 × 25/72 × 25 = 2250/1800
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
96/1800 < 2250/1800 or 4/75 < 90/72

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