Compare 28/40 and 81/50
1st number: 28/40, 2nd number: 1 31/50
28/40 is smaller than 81/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
28/40 = 28 × 5/40 × 5 = 140/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
81/50 = 81 × 4/50 × 4 = 324/200 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 140/200 < 324/200 or 28/40 < 81/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40 and 81/50 28/80 and 81/50 84/40 and 81/50