Compare 18/80 and 56/36
1st number: 18/80, 2nd number: 1 20/36
18/80 is smaller than 56/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 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 36 × 20 = 720,
56/36 = 56 × 20/36 × 20 = 1120/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/720 < 1120/720 or 18/80 < 56/36
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 56/36 18/80 and 56/72 54/80 and 56/36 90/80 and 56/36