Add 6/42 and 8/81
6/42 + 8/81 is 137/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 42 × 27 = 1134,
6/42 = 6 × 27/42 × 27 = 162/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
8/81 = 8 × 14/81 × 14 = 112/1134 - Add the two like fractions:
162/1134 + 112/1134 = 162 + 112/1134 = 274/1134 - 274/1134 simplified gives 137/567
- So, 6/42 + 8/81 = 137/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42+8/81 6/42+16/81 6/84+8/81 18/42+8/81 6/42+24/81 30/42+8/81 6/42+40/81 6/42+56/81