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Add 30/40 and 12/16

30/40 + 12/16 is 3/2.

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,
    30/40 = 30 × 2/40 × 2 = 60/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    12/16 = 12 × 5/16 × 5 = 60/80
  4. Add the two like fractions:
    60/80 + 60/80 = 60 + 60/80 = 120/80
  5. 120/80 simplified gives 3/2
  6. So, 30/40 + 12/16 = 3/2
    In mixed form: 11/2

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