Add 98/18 and 40/81
1st number: 5 8/18, 2nd number: 40/81
98/18 + 40/81 is 481/81.
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,
98/18 = 98 × 9/18 × 9 = 882/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
40/81 = 40 × 2/81 × 2 = 80/162 - Add the two like fractions:
882/162 + 80/162 = 882 + 80/162 = 962/162 - 962/162 simplified gives 481/81
- So, 98/18 + 40/81 = 481/81
In mixed form: 576/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18+80/81 98/36+40/81 98/54+40/81 98/90+40/81