Add 54/98 and 27/21
1st number: 54/98, 2nd number: 1 6/21
54/98 + 27/21 is 90/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
54/98 = 54 × 3/98 × 3 = 162/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
27/21 = 27 × 14/21 × 14 = 378/294 - Add the two like fractions:
162/294 + 378/294 = 162 + 378/294 = 540/294 - 540/294 simplified gives 90/49
- So, 54/98 + 27/21 = 90/49
In mixed form: 141/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/98+54/21 54/98+27/42 54/98+81/21 54/98+27/63