Compare 21/27 and 2/10
21/27 is greater than 2/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
21/27 = 21 × 10/27 × 10 = 210/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
2/10 = 2 × 27/10 × 27 = 54/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/270 > 54/270 or 21/27 > 2/10
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 2/10 21/27 and 4/10 21/54 and 2/10 21/27 and 2/20 63/27 and 2/10 21/27 and 6/10 21/81 and 2/10 21/27 and 2/30 21/27 and 2/50 21/27 and 14/10 21/27 and 2/70