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Add 12/40 and 84/12

1st number: 12/40, 2nd number: 7 0/12

12/40 + 84/12 is 73/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 12 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    12/40 = 12 × 3/40 × 3 = 36/120
  3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
    84/12 = 84 × 10/12 × 10 = 840/120
  4. Add the two like fractions:
    36/120 + 840/120 = 36 + 840/120 = 876/120
  5. 876/120 simplified gives 73/10
  6. So, 12/40 + 84/12 = 73/10
    In mixed form: 73/10

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