Compare 28/12 and 5/81
1st number: 2 4/12, 2nd number: 5/81
28/12 is greater than 5/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
28/12 = 28 × 27/12 × 27 = 756/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
5/81 = 5 × 4/81 × 4 = 20/324 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 756/324 > 20/324 or 28/12 > 5/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12 and 5/81 28/12 and 10/81 28/24 and 5/81 84/12 and 5/81 28/12 and 15/81 28/36 and 5/81 28/12 and 25/81 28/60 and 5/81 28/12 and 35/81 28/84 and 5/81