Compare 42/12 and 84/25, Which fraction is greater?

Compare 42/12 and 84/25

1^st number: 3 6/12, 2^nd number: 3 9/25

42/12 is greater than 84/25

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
42/12 = 42 × 25/12 × 25 = 1050/300
Likewise, for the 2nd fraction, since 25 × 12 = 300,
84/25 = 84 × 12/25 × 12 = 1008/300
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1050/300 > 1008/300 or 42/12 > 84/25

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