Compare 90/30 and 30/3, Which fraction is greater?

Compare 90/30 and 30/3

1^st number: 3 0/30, 2^nd number: 10 0/3

90/30 is smaller than 30/3

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 30 × 1 = 30,
90/30 = 90 × 1/30 × 1 = 90/30
Likewise, for the 2nd fraction, since 3 × 10 = 30,
30/3 = 30 × 10/3 × 10 = 300/30
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
90/30 < 300/30 or 90/30 < 30/3

MathStep (Works offline)

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