Add 14/7 and 81/70
1st number: 2 0/7, 2nd number: 1 11/70
14/7 + 81/70 is 221/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
14/7 = 14 × 10/7 × 10 = 140/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
81/70 = 81 × 1/70 × 1 = 81/70 - Add the two like fractions:
140/70 + 81/70 = 140 + 81/70 = 221/70 - So, 14/7 + 81/70 = 221/70
In mixed form: 311/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7+81/70 42/7+81/70 14/21+81/70 70/7+81/70 14/35+81/70 98/7+81/70 14/49+81/70