Compare 81/10 and 70/9
1st number: 8 1/10, 2nd number: 7 7/9
81/10 is greater than 70/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
81/10 = 81 × 9/10 × 9 = 729/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
70/9 = 70 × 10/9 × 10 = 700/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 729/90 > 700/90 or 81/10 > 70/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20 and 70/9 81/10 and 70/18 81/30 and 70/9 81/10 and 70/27 81/50 and 70/9 81/10 and 70/45 81/70 and 70/9 81/10 and 70/63