Compare 21/20 and 3/27
1st number: 1 1/20, 2nd number: 3/27
21/20 is greater than 3/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
21/20 = 21 × 27/20 × 27 = 567/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
3/27 = 3 × 20/27 × 20 = 60/540 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/540 > 60/540 or 21/20 > 3/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/20 and 3/27 21/20 and 6/27 21/40 and 3/27 21/20 and 3/54 63/20 and 3/27 21/20 and 9/27 21/60 and 3/27 21/20 and 3/81 21/20 and 15/27 21/20 and 21/27