Compare 15/20 and 4/12
15/20 is greater than 4/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
15/20 = 15 × 3/20 × 3 = 45/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/60 > 20/60 or 15/20 > 4/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20 and 4/12 15/20 and 8/12 15/40 and 4/12 15/20 and 4/24 45/20 and 4/12 15/60 and 4/12 15/20 and 4/36 75/20 and 4/12 15/20 and 20/12 15/20 and 4/60 15/20 and 28/12 15/20 and 4/84