Add 27/98 and 81/21
1st number: 27/98, 2nd number: 3 18/21
27/98 + 81/21 is 405/98.
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,
27/98 = 27 × 3/98 × 3 = 81/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
81/21 = 81 × 14/21 × 14 = 1134/294 - Add the two like fractions:
81/294 + 1134/294 = 81 + 1134/294 = 1215/294 - 1215/294 simplified gives 405/98
- So, 27/98 + 81/21 = 405/98
In mixed form: 413/98
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