Compare 3/24 and 21/84
3/24 is smaller than 21/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
3/24 = 3 × 7/24 × 7 = 21/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
21/84 = 21 × 2/84 × 2 = 42/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/168 < 42/168 or 3/24 < 21/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24 and 21/84 3/24 and 42/84 3/48 and 21/84 9/24 and 21/84 3/24 and 63/84 3/72 and 21/84 15/24 and 21/84 21/24 and 21/84