Add 80/12 and 35/7
1st number: 6 8/12, 2nd number: 5 0/7
80/12 + 35/7 is 35/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
80/12 = 80 × 7/12 × 7 = 560/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
35/7 = 35 × 12/7 × 12 = 420/84 - Add the two like fractions:
560/84 + 420/84 = 560 + 420/84 = 980/84 - 980/84 simplified gives 35/3
- So, 80/12 + 35/7 = 35/3
In mixed form: 112/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+70/7 80/24+35/7 80/12+35/14 80/36+35/7 80/12+35/21 80/60+35/7 80/84+35/7 80/12+35/49