Compare 36/21 and 27/28
1st number: 1 15/21, 2nd number: 27/28
36/21 is greater than 27/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
36/21 = 36 × 4/21 × 4 = 144/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
27/28 = 27 × 3/28 × 3 = 81/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 144/84 > 81/84 or 36/21 > 27/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21 and 27/28 36/21 and 54/28 36/42 and 27/28 36/21 and 27/56 36/21 and 81/28 36/63 and 27/28 36/21 and 27/84