Compare 15/63 and 12/20
15/63 is smaller than 12/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
15/63 = 15 × 20/63 × 20 = 300/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
12/20 = 12 × 63/20 × 63 = 756/1260 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 300/1260 < 756/1260 or 15/63 < 12/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/63 and 12/20 15/63 and 24/20 15/63 and 12/40 45/63 and 12/20 15/63 and 36/20 15/63 and 12/60 75/63 and 12/20 15/63 and 60/20 15/63 and 84/20