Compare 30/28 and 14/21
1st number: 1 2/28, 2nd number: 14/21
30/28 is greater than 14/21
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,
30/28 = 30 × 3/28 × 3 = 90/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/84 > 56/84 or 30/28 > 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28 and 14/21 30/28 and 28/21 30/56 and 14/21 30/28 and 14/42 90/28 and 14/21 30/28 and 42/21 30/84 and 14/21 30/28 and 14/63 30/28 and 70/21 30/28 and 98/21