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Add 12/10 and 1/84

1st number: 1 2/10, 2nd number: 1/84

12/10 + 1/84 is 509/420.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 84 is 420
  2. For the 1st fraction, since 10 × 42 = 420,
    12/10 = 12 × 42/10 × 42 = 504/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    1/84 = 1 × 5/84 × 5 = 5/420
  4. Add the two fractions:
    504/420 + 5/420 = 504 + 5/420 = 509/420
  5. In mixed form: 189/420

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