Compare 84/12 and 15/40
1st number: 7 0/12, 2nd number: 15/40
84/12 is greater than 15/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
84/12 = 84 × 10/12 × 10 = 840/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 840/120 > 45/120 or 84/12 > 15/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12 and 30/40 84/24 and 15/40 84/12 and 15/80 84/12 and 45/40 84/36 and 15/40 84/12 and 75/40 84/60 and 15/40