Add 27/98 and 40/90
27/98 + 40/90 is 635/882.
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,
27/98 = 27 × 45/98 × 45 = 1215/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
40/90 = 40 × 49/90 × 49 = 1960/4410 - Add the two like fractions:
1215/4410 + 1960/4410 = 1215 + 1960/4410 = 3175/4410 - 3175/4410 simplified gives 635/882
- So, 27/98 + 40/90 = 635/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/98+40/90 27/98+80/90 81/98+40/90