Compare 21/27 and 3/6
21/27 is greater than 3/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
3/6 = 3 × 9/6 × 9 = 27/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 42/54 > 27/54 or 21/27 > 3/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/27 and 3/6 21/54 and 3/6 21/27 and 3/12 63/27 and 3/6 21/27 and 9/6 21/81 and 3/6 21/27 and 3/18 21/27 and 15/6 21/27 and 3/30 21/27 and 21/6 21/27 and 3/42