Compare 81/90 and 80/96
81/90 is greater than 80/96
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
81/90 = 81 × 16/90 × 16 = 1296/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
80/96 = 80 × 15/96 × 15 = 1200/1440 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1296/1440 > 1200/1440 or 81/90 > 80/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: