Compare 20/7 and 9/81
1st number: 2 6/7, 2nd number: 9/81
20/7 is greater than 9/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
20/7 = 20 × 81/7 × 81 = 1620/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
9/81 = 9 × 7/81 × 7 = 63/567 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1620/567 > 63/567 or 20/7 > 9/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7 and 9/81 20/7 and 18/81 20/14 and 9/81 60/7 and 9/81 20/7 and 27/81 20/21 and 9/81 20/7 and 45/81 20/35 and 9/81 20/7 and 63/81 20/49 and 9/81