Add 28/98 and 9/90
28/98 + 9/90 is 27/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
28/98 = 28 × 45/98 × 45 = 1260/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
9/90 = 9 × 49/90 × 49 = 441/4410 - Add the two like fractions:
1260/4410 + 441/4410 = 1260 + 441/4410 = 1701/4410 - 1701/4410 simplified gives 27/70
- So, 28/98 + 9/90 = 27/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98+9/90 28/98+18/90 84/98+9/90 28/98+27/90 28/98+45/90 28/98+63/90