Compare 18/80 and 6/9
18/80 is smaller than 6/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
18/80 = 18 × 9/80 × 9 = 162/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
6/9 = 6 × 80/9 × 80 = 480/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/720 < 480/720 or 18/80 < 6/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/80 and 6/9 18/80 and 12/9 18/80 and 6/18 54/80 and 6/9 18/80 and 18/9 18/80 and 6/27 90/80 and 6/9 18/80 and 30/9 18/80 and 6/45 18/80 and 42/9 18/80 and 6/63