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Add 9/80 and 84/63

1st number: 9/80, 2nd number: 1 21/63

9/80 + 84/63 is 347/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 63 is 5040
  2. For the 1st fraction, since 80 × 63 = 5040,
    9/80 = 9 × 63/80 × 63 = 567/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    84/63 = 84 × 80/63 × 80 = 6720/5040
  4. Add the two fractions:
    567/5040 + 6720/5040 = 567 + 6720/5040 = 7287/5040
  5. After reducing the fraction, the answer is 347/240
  6. In mixed form: 1107/240

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