Compare 20/2 and 21/27
1st number: 10 0/2, 2nd number: 21/27
20/2 is greater than 21/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
20/2 = 20 × 27/2 × 27 = 540/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 540/54 > 42/54 or 20/2 > 21/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2 and 21/27 20/2 and 42/27 20/4 and 21/27 20/2 and 21/54 60/2 and 21/27 20/2 and 63/27 20/6 and 21/27 20/2 and 21/81 20/10 and 21/27 20/14 and 21/27