Add 80/90 and 3/98
80/90 + 3/98 is 811/882.
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,
80/90 = 80 × 49/90 × 49 = 3920/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
3/98 = 3 × 45/98 × 45 = 135/4410 - Add the two like fractions:
3920/4410 + 135/4410 = 3920 + 135/4410 = 4055/4410 - 4055/4410 simplified gives 811/882
- So, 80/90 + 3/98 = 811/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+6/98 80/90+9/98 80/90+15/98 80/90+21/98