Compare 20/84 and 18/54
20/84 is smaller than 18/54
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,
20/84 = 20 × 9/84 × 9 = 180/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
18/54 = 18 × 14/54 × 14 = 252/756 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/756 < 252/756 or 20/84 < 18/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84 and 18/54 20/84 and 36/54 60/84 and 18/54 20/84 and 90/54