Compare 15/5 and 42/63
1st number: 3 0/5, 2nd number: 42/63
15/5 is greater than 42/63
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,
15/5 = 15 × 63/5 × 63 = 945/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
42/63 = 42 × 5/63 × 5 = 210/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 945/315 > 210/315 or 15/5 > 42/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5 and 42/63 15/5 and 84/63 15/10 and 42/63 45/5 and 42/63 75/5 and 42/63 15/25 and 42/63 15/35 and 42/63