Compare 9/18 and 84/63
1st number: 9/18, 2nd number: 1 21/63
9/18 is smaller than 84/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
9/18 = 9 × 7/18 × 7 = 63/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/126 < 168/126 or 9/18 < 84/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/36 and 84/63 27/18 and 84/63 9/54 and 84/63 45/18 and 84/63 9/90 and 84/63 63/18 and 84/63