Compare 9/18 and 10/80
9/18 is greater than 10/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
9/18 = 9 × 40/18 × 40 = 360/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
10/80 = 10 × 9/80 × 9 = 90/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/720 > 90/720 or 9/18 > 10/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18 and 20/80 9/36 and 10/80 27/18 and 10/80 9/18 and 30/80 9/54 and 10/80 45/18 and 10/80 9/18 and 50/80 9/90 and 10/80 63/18 and 10/80 9/18 and 70/80