Compare 42/12 and 98/15, Which fraction is greater?

Compare 42/12 and 98/15

1^st number: 3 6/12, 2^nd number: 6 8/15

42/12 is smaller than 98/15

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 12 × 5 = 60,
42/12 = 42 × 5/12 × 5 = 210/60
Likewise, for the 2nd fraction, since 15 × 4 = 60,
98/15 = 98 × 4/15 × 4 = 392/60
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
210/60 < 392/60 or 42/12 < 98/15

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad