Compare 9/63 and 12/72
9/63 is smaller than 12/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
9/63 = 9 × 8/63 × 8 = 72/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
12/72 = 12 × 7/72 × 7 = 84/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72/504 < 84/504 or 9/63 < 12/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63 and 12/72 9/63 and 24/72 27/63 and 12/72 9/63 and 36/72 45/63 and 12/72 9/63 and 60/72 9/63 and 84/72