Add 15/40 and 50/12
1st number: 15/40, 2nd number: 4 2/12
15/40 + 50/12 is 109/24.
Steps for adding 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,
15/40 = 15 × 3/40 × 3 = 45/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
50/12 = 50 × 10/12 × 10 = 500/120 - Add the two like fractions:
45/120 + 500/120 = 45 + 500/120 = 545/120 - 545/120 simplified gives 109/24
- So, 15/40 + 50/12 = 109/24
In mixed form: 413/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+50/12 15/80+50/12 15/40+50/24 45/40+50/12 15/40+50/36 75/40+50/12 15/40+50/60 15/40+50/84