Compare 72/30 and 18/42, Which fraction is greater?

Compare 72/30 and 18/42

1^st number: 2 12/30, 2^nd number: 18/42

72/30 is greater than 18/42

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
18/42 = 18 × 5/42 × 5 = 90/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
504/210 > 90/210 or 72/30 > 18/42

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