Add 2/81 and 14/7
1st number: 2/81, 2nd number: 2 0/7
2/81 + 14/7 is 164/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
2/81 = 2 × 7/81 × 7 = 14/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
14/7 = 14 × 81/7 × 81 = 1134/567 - Add the two like fractions:
14/567 + 1134/567 = 14 + 1134/567 = 1148/567 - 1148/567 simplified gives 164/81
- So, 2/81 + 14/7 = 164/81
In mixed form: 22/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/81+14/7 2/81+28/7 6/81+14/7 2/81+42/7 2/81+14/21 10/81+14/7 2/81+70/7 2/81+14/35 14/81+14/7 2/81+98/7 2/81+14/49