Compare 21/6 and 30/28
1st number: 3 3/6, 2nd number: 1 2/28
21/6 is greater than 30/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
21/6 = 21 × 14/6 × 14 = 294/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
30/28 = 30 × 3/28 × 3 = 90/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/84 > 90/84 or 21/6 > 30/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6 and 30/28 21/6 and 60/28 21/12 and 30/28 21/6 and 30/56 63/6 and 30/28 21/6 and 90/28 21/18 and 30/28 21/6 and 30/84 21/30 and 30/28 21/42 and 30/28