Add 35/81 and 72/54
1st number: 35/81, 2nd number: 1 18/54
35/81 + 72/54 is 143/81.
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,
35/81 = 35 × 2/81 × 2 = 70/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
72/54 = 72 × 3/54 × 3 = 216/162 - Add the two like fractions:
70/162 + 216/162 = 70 + 216/162 = 286/162 - 286/162 simplified gives 143/81
- So, 35/81 + 72/54 = 143/81
In mixed form: 162/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/81+72/54