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Add 9/40 and 5/12

9/40 + 5/12 is 77/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 12 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    9/40 = 9 × 3/40 × 3 = 27/120
  3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
    5/12 = 5 × 10/12 × 10 = 50/120
  4. Add the two fractions:
    27/120 + 50/120 = 27 + 50/120 = 77/120

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