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Add 3/12 and 9/40

3/12 + 9/40 is 19/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 12 × 10 = 120,
    3/12 = 3 × 10/12 × 10 = 30/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    9/40 = 9 × 3/40 × 3 = 27/120
  4. Add the two like fractions:
    30/120 + 27/120 = 30 + 27/120 = 57/120
  5. 57/120 simplified gives 19/40
  6. So, 3/12 + 9/40 = 19/40

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