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Add 18/40 and 25/12

1st number: 18/40, 2nd number: 2 1/12

18/40 + 25/12 is 38/15.

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,
    18/40 = 18 × 3/40 × 3 = 54/120
  3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
    25/12 = 25 × 10/12 × 10 = 250/120
  4. Add the two like fractions:
    54/120 + 250/120 = 54 + 250/120 = 304/120
  5. 304/120 simplified gives 38/15
  6. So, 18/40 + 25/12 = 38/15
    In mixed form: 28/15

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