Compare 30/75 and 28/72, Which fraction is greater?

Compare 30/75 and 28/72

30/75 is greater than 28/72

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 75 × 24 = 1800,
30/75 = 30 × 24/75 × 24 = 720/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
28/72 = 28 × 25/72 × 25 = 700/1800
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
720/1800 > 700/1800 or 30/75 > 28/72

MathStep (Works offline)

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