Compare 30/81 and 28/50
30/81 is smaller than 28/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
30/81 = 30 × 50/81 × 50 = 1500/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
28/50 = 28 × 81/50 × 81 = 2268/4050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1500/4050 < 2268/4050 or 30/81 < 28/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/81 and 28/50 30/81 and 56/50 90/81 and 28/50 30/81 and 84/50