Add 80/12 and 14/20
1st number: 6 8/12, 2nd number: 14/20
80/12 + 14/20 is 221/30.
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,
80/12 = 80 × 5/12 × 5 = 400/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
14/20 = 14 × 3/20 × 3 = 42/60 - Add the two like fractions:
400/60 + 42/60 = 400 + 42/60 = 442/60 - 442/60 simplified gives 221/30
- So, 80/12 + 14/20 = 221/30
In mixed form: 711/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+28/20 80/24+14/20 80/12+14/40 80/12+42/20 80/36+14/20 80/12+14/60 80/12+70/20 80/60+14/20 80/12+98/20 80/84+14/20