Compare 27/50 and 9/21
27/50 is greater than 9/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
27/50 = 27 × 21/50 × 21 = 567/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
9/21 = 9 × 50/21 × 50 = 450/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/1050 > 450/1050 or 27/50 > 9/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/50 and 9/21 27/50 and 18/21 27/50 and 9/42 81/50 and 9/21 27/50 and 27/21 27/50 and 9/63 27/50 and 45/21 27/50 and 63/21