Compare 2/25 and 30/21, Which fraction is greater?

Compare 2/25 and 30/21

1^st number: 2/25, 2^nd number: 1 9/21

2/25 is smaller than 30/21

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 25 × 21 = 525,
2/25 = 2 × 21/25 × 21 = 42/525
Likewise, for the 2nd fraction, since 21 × 25 = 525,
30/21 = 30 × 25/21 × 25 = 750/525
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
42/525 < 750/525 or 2/25 < 30/21

MathStep (Works offline)

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