Compare 45/7 and 30/72
1st number: 6 3/7, 2nd number: 30/72
45/7 is greater than 30/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
45/7 = 45 × 72/7 × 72 = 3240/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
30/72 = 30 × 7/72 × 7 = 210/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3240/504 > 210/504 or 45/7 > 30/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7 and 30/72 45/7 and 60/72 45/14 and 30/72 45/7 and 90/72 45/21 and 30/72 45/35 and 30/72 45/49 and 30/72