Add 5/81 and 56/54
1st number: 5/81, 2nd number: 1 2/54
5/81 + 56/54 is 89/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 54 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
5/81 = 5 × 2/81 × 2 = 10/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
56/54 = 56 × 3/54 × 3 = 168/162 - Add the two like fractions:
10/162 + 168/162 = 10 + 168/162 = 178/162 - 178/162 simplified gives 89/81
- So, 5/81 + 56/54 = 89/81
In mixed form: 18/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/81+56/54 15/81+56/54 25/81+56/54 35/81+56/54