Compare 84/4 and 30/18
1st number: 21 0/4, 2nd number: 1 12/18
84/4 is greater than 30/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
84/4 = 84 × 9/4 × 9 = 756/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
30/18 = 30 × 2/18 × 2 = 60/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 756/36 > 60/36 or 84/4 > 30/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4 and 60/18 84/8 and 30/18 84/4 and 30/36 84/4 and 90/18 84/12 and 30/18 84/4 and 30/54 84/20 and 30/18 84/4 and 30/90 84/28 and 30/18