Add 80/6 and 63/7
1st number: 13 2/6, 2nd number: 9 0/7
80/6 + 63/7 is 67/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
80/6 = 80 × 7/6 × 7 = 560/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
63/7 = 63 × 6/7 × 6 = 378/42 - Add the two like fractions:
560/42 + 378/42 = 560 + 378/42 = 938/42 - 938/42 simplified gives 67/3
- So, 80/6 + 63/7 = 67/3
In mixed form: 221/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+63/7 80/6+63/14 80/18+63/7 80/6+63/21 80/30+63/7 80/6+63/35 80/42+63/7 80/6+63/49