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Add 21/98 and 9/35

21/98 + 9/35 is 33/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 35 is 490
  2. For the 1st fraction, since 98 × 5 = 490,
    21/98 = 21 × 5/98 × 5 = 105/490
  3. Likewise, for the 2nd fraction, since 35 × 14 = 490,
    9/35 = 9 × 14/35 × 14 = 126/490
  4. Add the two fractions:
    105/490 + 126/490 = 105 + 126/490 = 231/490
  5. After reducing the fraction, the answer is 33/70

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