Add 4/6 and 42/81
4/6 + 42/81 is 32/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
4/6 = 4 × 27/6 × 27 = 108/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
42/81 = 42 × 2/81 × 2 = 84/162 - Add the two like fractions:
108/162 + 84/162 = 108 + 84/162 = 192/162 - 192/162 simplified gives 32/27
- So, 4/6 + 42/81 = 32/27
In mixed form: 15/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/6+42/81 4/6+84/81 4/12+42/81 12/6+42/81 4/18+42/81 20/6+42/81 4/30+42/81 28/6+42/81 4/42+42/81