Compare 20/27 and 40/28
1st number: 20/27, 2nd number: 1 12/28
20/27 is smaller than 40/28
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,
20/27 = 20 × 28/27 × 28 = 560/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
40/28 = 40 × 27/28 × 27 = 1080/756 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 560/756 < 1080/756 or 20/27 < 40/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27 and 40/28 20/27 and 80/28 20/54 and 40/28 20/27 and 40/56 60/27 and 40/28 20/81 and 40/28 20/27 and 40/84