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Add 84/40 and 12/16

1st number: 2 4/40, 2nd number: 12/16

84/40 + 12/16 is 57/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 40 × 2 = 80,
    84/40 = 84 × 2/40 × 2 = 168/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    12/16 = 12 × 5/16 × 5 = 60/80
  4. Add the two like fractions:
    168/80 + 60/80 = 168 + 60/80 = 228/80
  5. 228/80 simplified gives 57/20
  6. So, 84/40 + 12/16 = 57/20
    In mixed form: 217/20

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