Add 14/40 and 9/12
14/40 + 9/12 is 11/10.
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,
14/40 = 14 × 3/40 × 3 = 42/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
9/12 = 9 × 10/12 × 10 = 90/120 - Add the two like fractions:
42/120 + 90/120 = 42 + 90/120 = 132/120 - 132/120 simplified gives 11/10
- So, 14/40 + 9/12 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/40+9/12 14/40+18/12 14/80+9/12 14/40+9/24 42/40+9/12 14/40+27/12 14/40+9/36 70/40+9/12 14/40+45/12 14/40+9/60 98/40+9/12 14/40+63/12 14/40+9/84