Compare 7/28 and 8/15
7/28 is smaller than 8/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
7/28 = 7 × 15/28 × 15 = 105/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
8/15 = 8 × 28/15 × 28 = 224/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/420 < 224/420 or 7/28 < 8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28 and 8/15 7/28 and 16/15 7/56 and 8/15 7/28 and 8/30 21/28 and 8/15 7/28 and 24/15 7/84 and 8/15 7/28 and 8/45 35/28 and 8/15 7/28 and 40/15 7/28 and 8/75 49/28 and 8/15 7/28 and 56/15