Add 70/6 and 80/12
1st number: 11 4/6, 2nd number: 6 8/12
70/6 + 80/12 is 55/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
70/6 = 70 × 2/6 × 2 = 140/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
80/12 = 80 × 1/12 × 1 = 80/12 - Add the two like fractions:
140/12 + 80/12 = 140 + 80/12 = 220/12 - 220/12 simplified gives 55/3
- So, 70/6 + 80/12 = 55/3
In mixed form: 181/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+80/12 70/6+80/24 70/18+80/12 70/6+80/36 70/30+80/12 70/6+80/60 70/42+80/12 70/6+80/84