Compare 8/7 and 81/90
1st number: 1 1/7, 2nd number: 81/90
8/7 is greater than 81/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
8/7 = 8 × 90/7 × 90 = 720/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
81/90 = 81 × 7/90 × 7 = 567/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/630 > 567/630 or 8/7 > 81/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7 and 81/90 8/14 and 81/90 24/7 and 81/90 8/21 and 81/90 40/7 and 81/90 8/35 and 81/90 56/7 and 81/90 8/49 and 81/90