Add 7/81 and 27/7
1st number: 7/81, 2nd number: 3 6/7
7/81 + 27/7 is 2236/567.
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,
7/81 = 7 × 7/81 × 7 = 49/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
27/7 = 27 × 81/7 × 81 = 2187/567 - Add the two like fractions:
49/567 + 2187/567 = 49 + 2187/567 = 2236/567 - So, 7/81 + 27/7 = 2236/567
In mixed form: 3535/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/81+27/7 7/81+54/7 7/81+27/14 21/81+27/7 7/81+81/7 7/81+27/21 35/81+27/7 7/81+27/35 49/81+27/7 7/81+27/49