Compare 15/21 and 4/63
15/21 is greater than 4/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
15/21 = 15 × 3/21 × 3 = 45/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
4/63 = 4 × 1/63 × 1 = 4/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/63 > 4/63 or 15/21 > 4/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21 and 4/63 15/21 and 8/63 15/42 and 4/63 45/21 and 4/63 15/21 and 12/63 15/63 and 4/63 75/21 and 4/63 15/21 and 20/63 15/21 and 28/63