Compare 81/21 and 4/24
1st number: 3 18/21, 2nd number: 4/24
81/21 is greater than 4/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
81/21 = 81 × 8/21 × 8 = 648/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
4/24 = 4 × 7/24 × 7 = 28/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 648/168 > 28/168 or 81/21 > 4/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/21 and 8/24 81/42 and 4/24 81/21 and 4/48 81/21 and 12/24 81/63 and 4/24 81/21 and 4/72 81/21 and 20/24 81/21 and 28/24