Add 80/12 and 10/20
1st number: 6 8/12, 2nd number: 10/20
80/12 + 10/20 is 43/6.
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,
10/20 = 10 × 3/20 × 3 = 30/60 - Add the two like fractions:
400/60 + 30/60 = 400 + 30/60 = 430/60 - 430/60 simplified gives 43/6
- So, 80/12 + 10/20 = 43/6
In mixed form: 71/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24+10/20 80/12+10/40 80/12+30/20 80/36+10/20 80/12+10/60 80/12+50/20 80/60+10/20 80/12+70/20 80/84+10/20