Compare 15/72 and 48/20
1st number: 15/72, 2nd number: 2 8/20
15/72 is smaller than 48/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
48/20 = 48 × 18/20 × 18 = 864/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/360 < 864/360 or 15/72 < 48/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72 and 48/20 15/72 and 96/20 15/72 and 48/40 45/72 and 48/20 15/72 and 48/60 75/72 and 48/20