Add 4/81 and 6/4
1st number: 4/81, 2nd number: 1 2/4
4/81 + 6/4 is 251/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
4/81 = 4 × 4/81 × 4 = 16/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
6/4 = 6 × 81/4 × 81 = 486/324 - Add the two like fractions:
16/324 + 486/324 = 16 + 486/324 = 502/324 - 502/324 simplified gives 251/162
- So, 4/81 + 6/4 = 251/162
In mixed form: 189/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/81+6/4 4/81+12/4 4/81+6/8 12/81+6/4 4/81+18/4 4/81+6/12 20/81+6/4 4/81+30/4 4/81+6/20 28/81+6/4 4/81+42/4 4/81+6/28