Compare 7/45 and 72/28, Which fraction is greater?

Compare 7/45 and 72/28

1^st number: 7/45, 2^nd number: 2 16/28

7/45 is smaller than 72/28

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 45 × 28 = 1260,
7/45 = 7 × 28/45 × 28 = 196/1260
Likewise, for the 2nd fraction, since 28 × 45 = 1260,
72/28 = 72 × 45/28 × 45 = 3240/1260
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
196/1260 < 3240/1260 or 7/45 < 72/28

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