Compare 42/54 and 42/15
1st number: 42/54, 2nd number: 2 12/15
42/54 is smaller than 42/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
42/15 = 42 × 18/15 × 18 = 756/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/270 < 756/270 or 42/54 < 42/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54 and 42/15 42/54 and 84/15 42/54 and 42/30 42/54 and 42/45 42/54 and 42/75