Compare 72/20 and 28/6
1st number: 3 12/20, 2nd number: 4 4/6
72/20 is smaller than 28/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
28/6 = 28 × 10/6 × 10 = 280/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 216/60 < 280/60 or 72/20 < 28/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20 and 56/6 72/40 and 28/6 72/20 and 28/12 72/20 and 84/6 72/60 and 28/6 72/20 and 28/18 72/20 and 28/30 72/20 and 28/42