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Add 9/40 and 4/98

9/40 + 4/98 is 521/1960.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 98 is 1960
  2. For the 1st fraction, since 40 × 49 = 1960,
    9/40 = 9 × 49/40 × 49 = 441/1960
  3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
    4/98 = 4 × 20/98 × 20 = 80/1960
  4. Add the two fractions:
    441/1960 + 80/1960 = 441 + 80/1960 = 521/1960

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