Compare 20/63 and 15/12
1st number: 20/63, 2nd number: 1 3/12
20/63 is smaller than 15/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
20/63 = 20 × 4/63 × 4 = 80/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
15/12 = 15 × 21/12 × 21 = 315/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/252 < 315/252 or 20/63 < 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/63 and 15/12 20/63 and 30/12 20/63 and 15/24 60/63 and 15/12 20/63 and 45/12 20/63 and 15/36 20/63 and 75/12 20/63 and 15/60 20/63 and 15/84