Add 40/12 and 6/20
1st number: 3 4/12, 2nd number: 6/20
40/12 + 6/20 is 109/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
6/20 = 6 × 3/20 × 3 = 18/60 - Add the two like fractions:
200/60 + 18/60 = 200 + 18/60 = 218/60 - 218/60 simplified gives 109/30
- So, 40/12 + 6/20 = 109/30
In mixed form: 319/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+6/20 40/12+12/20 40/24+6/20 40/12+6/40 40/12+18/20 40/36+6/20 40/12+6/60 40/12+30/20 40/60+6/20 40/12+42/20 40/84+6/20