Compare 81/7 and 3/90
1st number: 11 4/7, 2nd number: 3/90
81/7 is greater than 3/90
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,
81/7 = 81 × 90/7 × 90 = 7290/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
3/90 = 3 × 7/90 × 7 = 21/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 7290/630 > 21/630 or 81/7 > 3/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/7 and 6/90 81/14 and 3/90 81/7 and 9/90 81/21 and 3/90 81/7 and 15/90 81/35 and 3/90 81/7 and 21/90 81/49 and 3/90