Add 81/98 and 5/21
81/98 + 5/21 is 313/294.
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,
81/98 = 81 × 3/98 × 3 = 243/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
5/21 = 5 × 14/21 × 14 = 70/294 - Add the two like fractions:
243/294 + 70/294 = 243 + 70/294 = 313/294 - So, 81/98 + 5/21 = 313/294
In mixed form: 119/294
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