Compare 18/84 and 20/3
1st number: 18/84, 2nd number: 6 2/3
18/84 is smaller than 20/3
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
18/84 = 18 × 1/84 × 1 = 18/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
20/3 = 20 × 28/3 × 28 = 560/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/84 < 560/84 or 18/84 < 20/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/84 and 20/3 18/84 and 40/3 18/84 and 20/6 54/84 and 20/3 18/84 and 60/3 18/84 and 20/9 90/84 and 20/3 18/84 and 20/15 18/84 and 20/21