Compare 80/60 and 18/9
1st number: 1 20/60, 2nd number: 2 0/9
80/60 is smaller than 18/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
80/60 = 80 × 3/60 × 3 = 240/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
18/9 = 18 × 20/9 × 20 = 360/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/180 < 360/180 or 80/60 < 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60 and 36/9 80/60 and 54/9 80/60 and 18/27 80/60 and 90/9 80/60 and 18/45 80/60 and 18/63