Compare 9/12 and 18/72
9/12 is greater than 18/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
9/12 = 9 × 6/12 × 6 = 54/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/72 > 18/72 or 9/12 > 18/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12 and 18/72 9/12 and 36/72 9/24 and 18/72 27/12 and 18/72 9/12 and 54/72 9/36 and 18/72 45/12 and 18/72 9/12 and 90/72 9/60 and 18/72 63/12 and 18/72 9/84 and 18/72