Add 32/40 and 15/12
1st number: 32/40, 2nd number: 1 3/12
32/40 + 15/12 is 41/20.
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,
32/40 = 32 × 3/40 × 3 = 96/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
15/12 = 15 × 10/12 × 10 = 150/120 - Add the two like fractions:
96/120 + 150/120 = 96 + 150/120 = 246/120 - 246/120 simplified gives 41/20
- So, 32/40 + 15/12 = 41/20
In mixed form: 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/40+15/12 32/40+30/12 32/80+15/12 32/40+15/24 96/40+15/12 32/40+45/12 32/40+15/36 32/40+75/12 32/40+15/60 32/40+15/84