Add 27/98 and 70/90
27/98 + 70/90 is 929/882.
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,
70/90 = 70 × 49/90 × 49 = 3430/4410 - Add the two like fractions:
1215/4410 + 3430/4410 = 1215 + 3430/4410 = 4645/4410 - 4645/4410 simplified gives 929/882
- So, 27/98 + 70/90 = 929/882
In mixed form: 147/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/98+70/90 81/98+70/90