Add 3/5 and 81/98
3/5 + 81/98 is 699/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 5 × 98 = 490,
3/5 = 3 × 98/5 × 98 = 294/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
81/98 = 81 × 5/98 × 5 = 405/490 - Add the two like fractions:
294/490 + 405/490 = 294 + 405/490 = 699/490 - So, 3/5 + 81/98 = 699/490
In mixed form: 1209/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5+81/98 3/10+81/98 9/5+81/98 3/15+81/98 15/5+81/98 3/25+81/98 21/5+81/98 3/35+81/98