Compare 21/54 and 30/3
1st number: 21/54, 2nd number: 10 0/3
21/54 is smaller than 30/3
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
30/3 = 30 × 18/3 × 18 = 540/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/54 < 540/54 or 21/54 < 30/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54 and 30/3 21/54 and 60/3 21/54 and 30/6 63/54 and 30/3 21/54 and 90/3 21/54 and 30/9 21/54 and 30/15 21/54 and 30/21