Compare 28/7 and 80/72
1st number: 4 0/7, 2nd number: 1 8/72
28/7 is greater than 80/72
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,
28/7 = 28 × 72/7 × 72 = 2016/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
80/72 = 80 × 7/72 × 7 = 560/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2016/504 > 560/504 or 28/7 > 80/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/7 and 80/72 28/14 and 80/72 84/7 and 80/72 28/21 and 80/72 28/35 and 80/72 28/49 and 80/72