Compare 20/6 and 15/81
1st number: 3 2/6, 2nd number: 15/81
20/6 is greater than 15/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
20/6 = 20 × 27/6 × 27 = 540/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
15/81 = 15 × 2/81 × 2 = 30/162 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 540/162 > 30/162 or 20/6 > 15/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6 and 15/81 20/6 and 30/81 20/12 and 15/81 60/6 and 15/81 20/6 and 45/81 20/18 and 15/81 20/6 and 75/81 20/30 and 15/81 20/42 and 15/81