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Add 18/12 and 3/40

1st number: 1 6/12, 2nd number: 3/40

18/12 + 3/40 is 63/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120
  2. For the 1st fraction, since 12 × 10 = 120,
    18/12 = 18 × 10/12 × 10 = 180/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    3/40 = 3 × 3/40 × 3 = 9/120
  4. Add the two fractions:
    180/120 + 9/120 = 180 + 9/120 = 189/120
  5. After reducing the fraction, the answer is 63/40
  6. In mixed form: 123/40

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