Add 28/90 and 27/98
28/90 + 27/98 is 2587/4410.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
28/90 = 28 × 49/90 × 49 = 1372/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
27/98 = 27 × 45/98 × 45 = 1215/4410 - Add the two like fractions:
1372/4410 + 1215/4410 = 1372 + 1215/4410 = 2587/4410 - So, 28/90 + 27/98 = 2587/4410
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+27/98 28/90+54/98 84/90+27/98 28/90+81/98