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Add 20/21 and 15/98

20/21 + 15/98 is 325/294.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 98 is 294
  2. For the 1st fraction, since 21 × 14 = 294,
    20/21 = 20 × 14/21 × 14 = 280/294
  3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
    15/98 = 15 × 3/98 × 3 = 45/294
  4. Add the two fractions:
    280/294 + 45/294 = 280 + 45/294 = 325/294
  5. So, 20/21 + 15/98 = 325/294
    In mixed form: 131/294

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