Compare 72/7 and 40/18
1st number: 10 2/7, 2nd number: 2 4/18
72/7 is greater than 40/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
72/7 = 72 × 18/7 × 18 = 1296/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1296/126 > 280/126 or 72/7 > 40/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7 and 80/18 72/14 and 40/18 72/7 and 40/36 72/21 and 40/18 72/7 and 40/54 72/35 and 40/18 72/7 and 40/90 72/49 and 40/18