Compare 63/18 and 42/10
1st number: 3 9/18, 2nd number: 4 2/10
63/18 is smaller than 42/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
42/10 = 42 × 9/10 × 9 = 378/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/90 < 378/90 or 63/18 < 42/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18 and 84/10 63/36 and 42/10 63/18 and 42/20 63/54 and 42/10 63/18 and 42/30 63/90 and 42/10 63/18 and 42/50 63/18 and 42/70