Compare 75/50 and 30/21
1st number: 1 25/50, 2nd number: 1 9/21
75/50 is greater than 30/21
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,
75/50 = 75 × 21/50 × 21 = 1575/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
30/21 = 30 × 50/21 × 50 = 1500/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1575/1050 > 1500/1050 or 75/50 > 30/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/50 and 60/21 75/50 and 30/42 75/50 and 90/21 75/50 and 30/63