Compare 84/27 and 18/30
1st number: 3 3/27, 2nd number: 18/30
84/27 is greater than 18/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
84/27 = 84 × 10/27 × 10 = 840/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
18/30 = 18 × 9/30 × 9 = 162/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/270 > 162/270 or 84/27 > 18/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27 and 36/30 84/54 and 18/30 84/27 and 18/60 84/27 and 54/30 84/81 and 18/30 84/27 and 18/90 84/27 and 90/30