Compare 84/24 and 28/21
1st number: 3 12/24, 2nd number: 1 7/21
84/24 is greater than 28/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
84/24 = 84 × 7/24 × 7 = 588/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
28/21 = 28 × 8/21 × 8 = 224/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 588/168 > 224/168 or 84/24 > 28/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24 and 56/21 84/48 and 28/21 84/24 and 28/42 84/24 and 84/21 84/72 and 28/21 84/24 and 28/63