Add 3/98 and 5/81
3/98 + 5/81 is 733/7938.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 81 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 98 × 81 = 7938,
3/98 = 3 × 81/98 × 81 = 243/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
5/81 = 5 × 98/81 × 98 = 490/7938 - Add the two like fractions:
243/7938 + 490/7938 = 243 + 490/7938 = 733/7938 - So, 3/98 + 5/81 = 733/7938
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98+5/81 3/98+10/81 9/98+5/81 3/98+15/81 15/98+5/81 3/98+25/81 21/98+5/81 3/98+35/81