Add 7/98 and 9/90
7/98 + 9/90 is 6/35.
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,
7/98 = 7 × 45/98 × 45 = 315/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
9/90 = 9 × 49/90 × 49 = 441/4410 - Add the two like fractions:
315/4410 + 441/4410 = 315 + 441/4410 = 756/4410 - 756/4410 simplified gives 6/35
- So, 7/98 + 9/90 = 6/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/98+9/90 7/98+18/90 21/98+9/90 7/98+27/90 35/98+9/90 7/98+45/90 49/98+9/90 7/98+63/90