Compare 9/72 and 5/80
9/72 is greater than 5/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
9/72 = 9 × 10/72 × 10 = 90/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
5/80 = 5 × 9/80 × 9 = 45/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/720 > 45/720 or 9/72 > 5/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72 and 5/80 9/72 and 10/80 27/72 and 5/80 9/72 and 15/80 45/72 and 5/80 9/72 and 25/80 63/72 and 5/80 9/72 and 35/80