Add 10/81 and 18/4
1st number: 10/81, 2nd number: 4 2/4
10/81 + 18/4 is 749/162.
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,
10/81 = 10 × 4/81 × 4 = 40/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
18/4 = 18 × 81/4 × 81 = 1458/324 - Add the two like fractions:
40/324 + 1458/324 = 40 + 1458/324 = 1498/324 - 1498/324 simplified gives 749/162
- So, 10/81 + 18/4 = 749/162
In mixed form: 4101/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/81+18/4 10/81+36/4 10/81+18/8 30/81+18/4 10/81+54/4 10/81+18/12 50/81+18/4 10/81+90/4 10/81+18/20 70/81+18/4 10/81+18/28