Compare 4/72 and 70/45, Which fraction is greater?

Compare 4/72 and 70/45

1^st number: 4/72, 2^nd number: 1 25/45

4/72 is smaller than 70/45

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360
Likewise, for the 2nd fraction, since 45 × 8 = 360,
70/45 = 70 × 8/45 × 8 = 560/360
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
20/360 < 560/360 or 4/72 < 70/45

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