Compare 72/7 and 8/20
1st number: 10 2/7, 2nd number: 8/20
72/7 is greater than 8/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
72/7 = 72 × 20/7 × 20 = 1440/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1440/140 > 56/140 or 72/7 > 8/20
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 16/20 72/14 and 8/20 72/7 and 8/40 72/7 and 24/20 72/21 and 8/20 72/7 and 8/60 72/7 and 40/20 72/35 and 8/20 72/7 and 56/20 72/49 and 8/20