Add 2/81 and 40/18
1st number: 2/81, 2nd number: 2 4/18
2/81 + 40/18 is 182/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 18 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
2/81 = 2 × 2/81 × 2 = 4/162 - Likewise, for the 2nd fraction, since 18 × 9 = 162,
40/18 = 40 × 9/18 × 9 = 360/162 - Add the two like fractions:
4/162 + 360/162 = 4 + 360/162 = 364/162 - 364/162 simplified gives 182/81
- So, 2/81 + 40/18 = 182/81
In mixed form: 220/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/81+40/18 2/81+80/18 2/81+40/36 6/81+40/18 2/81+40/54 10/81+40/18 2/81+40/90 14/81+40/18