Compare 42/15 and 75/63
1st number: 2 12/15, 2nd number: 1 12/63
42/15 is greater than 75/63
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,
42/15 = 42 × 21/15 × 21 = 882/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
75/63 = 75 × 5/63 × 5 = 375/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 882/315 > 375/315 or 42/15 > 75/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15 and 75/63 42/30 and 75/63 42/45 and 75/63 42/75 and 75/63