Compare 18/14 and 42/10, Which fraction is greater?

Compare 18/14 and 42/10

1^st number: 1 4/14, 2^nd number: 4 2/10

18/14 is smaller than 42/10

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 10 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 14 × 5 = 70,
18/14 = 18 × 5/14 × 5 = 90/70
Likewise, for the 2nd fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
90/70 < 294/70 or 18/14 < 42/10

MathStep (Works offline)

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