Add 80/14 and 42/7
1st number: 5 10/14, 2nd number: 6 0/7
80/14 + 42/7 is 82/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
80/14 = 80 × 1/14 × 1 = 80/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
42/7 = 42 × 2/7 × 2 = 84/14 - Add the two like fractions:
80/14 + 84/14 = 80 + 84/14 = 164/14 - 164/14 simplified gives 82/7
- So, 80/14 + 42/7 = 82/7
In mixed form: 115/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+84/7 80/28+42/7 80/14+42/14 80/42+42/7 80/14+42/21 80/70+42/7 80/14+42/35 80/98+42/7 80/14+42/49