Compare 4/5 and 81/63
1st number: 4/5, 2nd number: 1 18/63
4/5 is smaller than 81/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
4/5 = 4 × 63/5 × 63 = 252/315 - 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
- 252/315 < 405/315 or 4/5 < 81/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5 and 81/63 4/10 and 81/63 12/5 and 81/63 4/15 and 81/63 20/5 and 81/63 4/25 and 81/63 28/5 and 81/63 4/35 and 81/63