Compare 5/84 and 21/54
5/84 is smaller than 21/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
5/84 = 5 × 9/84 × 9 = 45/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
21/54 = 21 × 14/54 × 14 = 294/756 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/756 < 294/756 or 5/84 < 21/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84 and 21/54 5/84 and 42/54 15/84 and 21/54 5/84 and 63/54 25/84 and 21/54 35/84 and 21/54