Add 84/18 and 48/81
1st number: 4 12/18, 2nd number: 48/81
84/18 + 48/81 is 142/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
84/18 = 84 × 9/18 × 9 = 756/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
48/81 = 48 × 2/81 × 2 = 96/162 - Add the two like fractions:
756/162 + 96/162 = 756 + 96/162 = 852/162 - 852/162 simplified gives 142/27
- So, 84/18 + 48/81 = 142/27
In mixed form: 57/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+96/81 84/36+48/81 84/54+48/81 84/90+48/81