Compare 15/72 and 45/7
1st number: 15/72, 2nd number: 6 3/7
15/72 is smaller than 45/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
45/7 = 45 × 72/7 × 72 = 3240/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 105/504 < 3240/504 or 15/72 < 45/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72 and 45/7 15/72 and 90/7 15/72 and 45/14 45/72 and 45/7 15/72 and 45/21 75/72 and 45/7 15/72 and 45/35 15/72 and 45/49