Compare 10/20 and 72/9
1st number: 10/20, 2nd number: 8 0/9
10/20 is smaller than 72/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
72/9 = 72 × 20/9 × 20 = 1440/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/180 < 1440/180 or 10/20 < 72/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40 and 72/9 10/20 and 72/18 30/20 and 72/9 10/60 and 72/9 10/20 and 72/27 50/20 and 72/9 10/20 and 72/45 70/20 and 72/9 10/20 and 72/63