Compare 50/40 and 45/12
1st number: 1 10/40, 2nd number: 3 9/12
50/40 is smaller than 45/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
50/40 = 50 × 3/40 × 3 = 150/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
45/12 = 45 × 10/12 × 10 = 450/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/120 < 450/120 or 50/40 < 45/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40 and 90/12 50/80 and 45/12 50/40 and 45/24 50/40 and 45/36 50/40 and 45/60 50/40 and 45/84