Add 18/81 and 36/98
18/81 + 36/98 is 260/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 98 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 81 × 98 = 7938,
18/81 = 18 × 98/81 × 98 = 1764/7938 - Likewise, for the 2nd fraction, since 98 × 81 = 7938,
36/98 = 36 × 81/98 × 81 = 2916/7938 - Add the two like fractions:
1764/7938 + 2916/7938 = 1764 + 2916/7938 = 4680/7938 - 4680/7938 simplified gives 260/441
- So, 18/81 + 36/98 = 260/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/81+36/98 18/81+72/98 54/81+36/98 90/81+36/98