Compare 8/18 and 30/84
8/18 is greater than 30/84
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
8/18 = 8 × 14/18 × 14 = 112/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
30/84 = 30 × 3/84 × 3 = 90/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 112/252 > 90/252 or 8/18 > 30/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18 and 30/84 8/18 and 60/84 8/36 and 30/84 24/18 and 30/84 8/18 and 90/84 8/54 and 30/84 40/18 and 30/84 8/90 and 30/84 56/18 and 30/84