Compare 42/90 and 7/3, Which fraction is greater?

Compare 42/90 and 7/3

1^st number: 42/90, 2^nd number: 2 1/3

42/90 is smaller than 7/3

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90
Likewise, for the 2nd fraction, since 3 × 30 = 90,
7/3 = 7 × 30/3 × 30 = 210/90
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
42/90 < 210/90 or 42/90 < 7/3

MathStep (Works offline)

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