Compare 28/15 and 81/7
1st number: 1 13/15, 2nd number: 11 4/7
28/15 is smaller than 81/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
28/15 = 28 × 7/15 × 7 = 196/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
81/7 = 81 × 15/7 × 15 = 1215/105 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 196/105 < 1215/105 or 28/15 < 81/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15 and 81/7 28/30 and 81/7 28/15 and 81/14 84/15 and 81/7 28/45 and 81/7 28/15 and 81/21 28/75 and 81/7 28/15 and 81/35 28/15 and 81/49