Add 8/40 and 27/12
1st number: 8/40, 2nd number: 2 3/12
8/40 + 27/12 is 49/20.
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,
8/40 = 8 × 3/40 × 3 = 24/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
27/12 = 27 × 10/12 × 10 = 270/120 - Add the two like fractions:
24/120 + 270/120 = 24 + 270/120 = 294/120 - 294/120 simplified gives 49/20
- So, 8/40 + 27/12 = 49/20
In mixed form: 29/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40+27/12 8/40+54/12 8/80+27/12 8/40+27/24 24/40+27/12 8/40+81/12 8/40+27/36 8/40+27/60 56/40+27/12 8/40+27/84