Compare 84/72 and 42/5, Which fraction is greater?

Compare 84/72 and 42/5

1^st number: 1 12/72, 2^nd number: 8 2/5

84/72 is smaller than 42/5

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360
Likewise, for the 2nd fraction, since 5 × 72 = 360,
42/5 = 42 × 72/5 × 72 = 3024/360
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
420/360 < 3024/360 or 84/72 < 42/5

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