Add 28/98 and 2/21
28/98 + 2/21 is 8/21.
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,
28/98 = 28 × 3/98 × 3 = 84/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
2/21 = 2 × 14/21 × 14 = 28/294 - Add the two like fractions:
84/294 + 28/294 = 84 + 28/294 = 112/294 - 112/294 simplified gives 8/21
- So, 28/98 + 2/21 = 8/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98+2/21 28/98+4/21 28/98+2/42 84/98+2/21 28/98+6/21 28/98+2/63 28/98+10/21 28/98+14/21