Compare 15/7 and 84/18
1st number: 2 1/7, 2nd number: 4 12/18
15/7 is smaller than 84/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
15/7 = 15 × 18/7 × 18 = 270/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/126 < 588/126 or 15/7 < 84/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7 and 84/18 15/14 and 84/18 15/7 and 84/36 45/7 and 84/18 15/21 and 84/18 15/7 and 84/54 75/7 and 84/18 15/35 and 84/18 15/7 and 84/90 15/49 and 84/18