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Add 18/40 and 4/12

18/40 + 4/12 is 47/60.

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,
    4/12 = 4 × 10/12 × 10 = 40/120
  4. Add the two like fractions:
    54/120 + 40/120 = 54 + 40/120 = 94/120
  5. 94/120 simplified gives 47/60
  6. So, 18/40 + 4/12 = 47/60

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