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Add 15/40 and 12/4

1st number: 15/40, 2nd number: 3 0/4

15/40 + 12/4 is 27/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 4 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    15/40 = 15 × 1/40 × 1 = 15/40
  3. Likewise, for the 2nd fraction, since 4 × 10 = 40,
    12/4 = 12 × 10/4 × 10 = 120/40
  4. Add the two like fractions:
    15/40 + 120/40 = 15 + 120/40 = 135/40
  5. 135/40 simplified gives 27/8
  6. So, 15/40 + 12/4 = 27/8
    In mixed form: 33/8

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