Compare 2/15 and 81/63
1st number: 2/15, 2nd number: 1 18/63
2/15 is smaller than 81/63
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,
2/15 = 2 × 21/15 × 21 = 42/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
81/63 = 81 × 5/63 × 5 = 405/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 42/315 < 405/315 or 2/15 < 81/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15 and 81/63 2/30 and 81/63 6/15 and 81/63 2/45 and 81/63 10/15 and 81/63 2/75 and 81/63 14/15 and 81/63