Compare 10/80 and 70/72
10/80 is smaller than 70/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 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 72 × 10 = 720,
70/72 = 70 × 10/72 × 10 = 700/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/720 < 700/720 or 10/80 < 70/72
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 70/72 30/80 and 70/72 50/80 and 70/72 70/80 and 70/72