Add 3/98 and 70/81
3/98 + 70/81 is 7103/7938.
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,
70/81 = 70 × 98/81 × 98 = 6860/7938 - Add the two like fractions:
243/7938 + 6860/7938 = 243 + 6860/7938 = 7103/7938 - So, 3/98 + 70/81 = 7103/7938
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98+70/81 9/98+70/81 15/98+70/81 21/98+70/81