Compare 10/80 and 5/18
10/80 is smaller than 5/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
10/80 = 10 × 9/80 × 9 = 90/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
5/18 = 5 × 40/18 × 40 = 200/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/720 < 200/720 or 10/80 < 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80 and 5/18 10/80 and 10/18 10/80 and 5/36 30/80 and 5/18 10/80 and 15/18 10/80 and 5/54 50/80 and 5/18 10/80 and 25/18 10/80 and 5/90 70/80 and 5/18 10/80 and 35/18