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Add 40/12 and 3/18

1st number: 3 4/12, 2nd number: 3/18

40/12 + 3/18 is 7/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    40/12 = 40 × 3/12 × 3 = 120/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    3/18 = 3 × 2/18 × 2 = 6/36
  4. Add the two like fractions:
    120/36 + 6/36 = 120 + 6/36 = 126/36
  5. 126/36 simplified gives 7/2
  6. So, 40/12 + 3/18 = 7/2
    In mixed form: 31/2

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