Compare 9/80 and 20/36
9/80 is smaller than 20/36
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,
9/80 = 9 × 9/80 × 9 = 81/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
20/36 = 20 × 20/36 × 20 = 400/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/720 < 400/720 or 9/80 < 20/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80 and 20/36 9/80 and 40/36 9/80 and 20/72 27/80 and 20/36 9/80 and 60/36 45/80 and 20/36 63/80 and 20/36