Compare 72/20 and 18/5
1st number: 3 12/20, 2nd number: 3 3/5
72/20 is equivalent to 18/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
72/20 = 72 × 1/20 × 1 = 72/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
18/5 = 18 × 4/5 × 4 = 72/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 72/20 = 72/20 or 72/20 = 18/5
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 36/5 72/40 and 18/5 72/20 and 18/10 72/20 and 54/5 72/60 and 18/5 72/20 and 18/15 72/20 and 90/5 72/20 and 18/25 72/20 and 18/35