Compare 6/28 and 10/21
6/28 is smaller than 10/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
6/28 = 6 × 3/28 × 3 = 18/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
10/21 = 10 × 4/21 × 4 = 40/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/84 < 40/84 or 6/28 < 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28 and 10/21 6/28 and 20/21 6/56 and 10/21 6/28 and 10/42 18/28 and 10/21 6/28 and 30/21 6/84 and 10/21 6/28 and 10/63 30/28 and 10/21 6/28 and 50/21 42/28 and 10/21 6/28 and 70/21