Add 90/21 and 27/98
1st number: 4 6/21, 2nd number: 27/98
90/21 + 27/98 is 447/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
90/21 = 90 × 14/21 × 14 = 1260/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
27/98 = 27 × 3/98 × 3 = 81/294 - Add the two like fractions:
1260/294 + 81/294 = 1260 + 81/294 = 1341/294 - 1341/294 simplified gives 447/98
- So, 90/21 + 27/98 = 447/98
In mixed form: 455/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+54/98 90/42+27/98 90/21+81/98 90/63+27/98