Compare 9/21 and 21/50
9/21 is greater than 21/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
9/21 = 9 × 50/21 × 50 = 450/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
21/50 = 21 × 21/50 × 21 = 441/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/1050 > 441/1050 or 9/21 > 21/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21 and 21/50 9/21 and 42/50 9/42 and 21/50 27/21 and 21/50 9/21 and 63/50 9/63 and 21/50 45/21 and 21/50 63/21 and 21/50