Compare 4/49 and 12/81
4/49 is smaller than 12/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 81 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 49 × 81 = 3969,
4/49 = 4 × 81/49 × 81 = 324/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
12/81 = 12 × 49/81 × 49 = 588/3969 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/3969 < 588/3969 or 4/49 < 12/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/49 and 12/81 4/49 and 24/81 4/98 and 12/81 12/49 and 12/81 4/49 and 36/81 20/49 and 12/81 4/49 and 60/81 28/49 and 12/81 4/49 and 84/81