Compare 15/6 and 42/40
1st number: 2 3/6, 2nd number: 1 2/40
15/6 is greater than 42/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
15/6 = 15 × 20/6 × 20 = 300/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 300/120 > 126/120 or 15/6 > 42/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6 and 42/40 15/6 and 84/40 15/12 and 42/40 15/6 and 42/80 45/6 and 42/40 15/18 and 42/40 75/6 and 42/40 15/30 and 42/40 15/42 and 42/40