Add 3/98 and 18/21
3/98 + 18/21 is 87/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
3/98 = 3 × 3/98 × 3 = 9/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
18/21 = 18 × 14/21 × 14 = 252/294 - Add the two like fractions:
9/294 + 252/294 = 9 + 252/294 = 261/294 - 261/294 simplified gives 87/98
- So, 3/98 + 18/21 = 87/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/98+18/21 3/98+36/21 3/98+18/42 9/98+18/21 3/98+54/21 3/98+18/63 15/98+18/21 3/98+90/21 21/98+18/21