Add 15/12 and 14/20
1st number: 1 3/12, 2nd number: 14/20
15/12 + 14/20 is 39/20.
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,
15/12 = 15 × 5/12 × 5 = 75/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
14/20 = 14 × 3/20 × 3 = 42/60 - Add the two like fractions:
75/60 + 42/60 = 75 + 42/60 = 117/60 - 117/60 simplified gives 39/20
- So, 15/12 + 14/20 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+14/20 15/12+28/20 15/24+14/20 15/12+14/40 45/12+14/20 15/12+42/20 15/36+14/20 15/12+14/60 75/12+14/20 15/12+70/20 15/60+14/20 15/12+98/20 15/84+14/20