Compare 9/84 and 10/81
9/84 is smaller than 10/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
9/84 = 9 × 27/84 × 27 = 243/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
10/81 = 10 × 28/81 × 28 = 280/2268 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/2268 < 280/2268 or 9/84 < 10/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/84 and 10/81 9/84 and 20/81 27/84 and 10/81 9/84 and 30/81 45/84 and 10/81 9/84 and 50/81 63/84 and 10/81 9/84 and 70/81