Add 6/81 and 27/7
1st number: 6/81, 2nd number: 3 6/7
6/81 + 27/7 is 743/189.
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,
6/81 = 6 × 7/81 × 7 = 42/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
27/7 = 27 × 81/7 × 81 = 2187/567 - Add the two like fractions:
42/567 + 2187/567 = 42 + 2187/567 = 2229/567 - 2229/567 simplified gives 743/189
- So, 6/81 + 27/7 = 743/189
In mixed form: 3176/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/81+27/7 6/81+54/7 6/81+27/14 18/81+27/7 6/81+81/7 6/81+27/21 30/81+27/7 6/81+27/35 42/81+27/7 6/81+27/49