Compare 12/27 and 15/28
12/27 is smaller than 15/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
12/27 = 12 × 28/27 × 28 = 336/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
15/28 = 15 × 27/28 × 27 = 405/756 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 336/756 < 405/756 or 12/27 < 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27 and 15/28 12/27 and 30/28 12/54 and 15/28 12/27 and 15/56 36/27 and 15/28 12/27 and 45/28 12/81 and 15/28 12/27 and 15/84 60/27 and 15/28 12/27 and 75/28 84/27 and 15/28