Compare 27/21 and 9/54
1st number: 1 6/21, 2nd number: 9/54
27/21 is greater than 9/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
27/21 = 27 × 18/21 × 18 = 486/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 486/378 > 63/378 or 27/21 > 9/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21 and 9/54 27/21 and 18/54 27/42 and 9/54 81/21 and 9/54 27/21 and 27/54 27/63 and 9/54 27/21 and 45/54 27/21 and 63/54