Compare 27/15 and 21/63
1st number: 1 12/15, 2nd number: 21/63
27/15 is greater than 21/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
27/15 = 27 × 21/15 × 21 = 567/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
21/63 = 21 × 5/63 × 5 = 105/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/315 > 105/315 or 27/15 > 21/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15 and 21/63 27/15 and 42/63 27/30 and 21/63 81/15 and 21/63 27/45 and 21/63 27/75 and 21/63