Add 12/40 and 3/16
12/40 + 3/16 is 39/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
12/40 = 12 × 2/40 × 2 = 24/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
3/16 = 3 × 5/16 × 5 = 15/80 - Add the two like fractions:
24/80 + 15/80 = 24 + 15/80 = 39/80 - So, 12/40 + 3/16 = 39/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40+3/16 12/40+6/16 12/80+3/16 12/40+3/32 36/40+3/16 12/40+9/16 12/40+3/48 60/40+3/16 12/40+15/16 12/40+3/80 84/40+3/16 12/40+21/16