Add 1/81 and 18/98
1/81 + 18/98 is 778/3969.
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,
1/81 = 1 × 98/81 × 98 = 98/7938 - Likewise, for the 2nd fraction, since 98 × 81 = 7938,
18/98 = 18 × 81/98 × 81 = 1458/7938 - Add the two like fractions:
98/7938 + 1458/7938 = 98 + 1458/7938 = 1556/7938 - 1556/7938 simplified gives 778/3969
- So, 1/81 + 18/98 = 778/3969
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81+18/98 1/81+36/98 3/81+18/98 1/81+54/98 5/81+18/98 1/81+90/98 7/81+18/98