Compare 45/28 and 6/21
1st number: 1 17/28, 2nd number: 6/21
45/28 is greater than 6/21
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,
45/28 = 45 × 3/28 × 3 = 135/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
6/21 = 6 × 4/21 × 4 = 24/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 135/84 > 24/84 or 45/28 > 6/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28 and 6/21 45/28 and 12/21 45/56 and 6/21 45/28 and 6/42 45/28 and 18/21 45/84 and 6/21 45/28 and 6/63 45/28 and 30/21 45/28 and 42/21