Compare 9/5 and 15/81
1st number: 1 4/5, 2nd number: 15/81
9/5 is greater than 15/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
9/5 = 9 × 81/5 × 81 = 729/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
15/81 = 15 × 5/81 × 5 = 75/405 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 729/405 > 75/405 or 9/5 > 15/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5 and 15/81 9/5 and 30/81 9/10 and 15/81 27/5 and 15/81 9/5 and 45/81 9/15 and 15/81 45/5 and 15/81 9/5 and 75/81 9/25 and 15/81 63/5 and 15/81 9/35 and 15/81