Compare 84/18 and 8/20
1st number: 4 12/18, 2nd number: 8/20
84/18 is greater than 8/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
84/18 = 84 × 10/18 × 10 = 840/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
8/20 = 8 × 9/20 × 9 = 72/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/180 > 72/180 or 84/18 > 8/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18 and 16/20 84/36 and 8/20 84/18 and 8/40 84/18 and 24/20 84/54 and 8/20 84/18 and 8/60 84/18 and 40/20 84/90 and 8/20 84/18 and 56/20