Compare 21/54 and 49/30
1st number: 21/54, 2nd number: 1 19/30
21/54 is smaller than 49/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
21/54 = 21 × 5/54 × 5 = 105/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
49/30 = 49 × 9/30 × 9 = 441/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/270 < 441/270 or 21/54 < 49/30
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 49/30 21/54 and 98/30 21/54 and 49/60 63/54 and 49/30 21/54 and 49/90