Add 12/40 and 3/6
12/40 + 3/6 is 4/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
3/6 = 3 × 20/6 × 20 = 60/120 - Add the two like fractions:
36/120 + 60/120 = 36 + 60/120 = 96/120 - 96/120 simplified gives 4/5
- So, 12/40 + 3/6 = 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40+3/6 12/80+3/6 12/40+3/12 36/40+3/6 12/40+9/6 12/40+3/18 60/40+3/6 12/40+15/6 12/40+3/30 84/40+3/6 12/40+21/6 12/40+3/42