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Add 42/84 and 9/5

1st number: 42/84, 2nd number: 1 4/5

42/84 + 9/5 is 23/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 5 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    42/84 = 42 × 5/84 × 5 = 210/420
  3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
    9/5 = 9 × 84/5 × 84 = 756/420
  4. Add the two fractions:
    210/420 + 756/420 = 210 + 756/420 = 966/420
  5. After reducing the fraction, the answer is 23/10
  6. In mixed form: 23/10

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