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Add 3/12 and 30/40

3/12 + 30/40 is 1/1.

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,
    3/12 = 3 × 10/12 × 10 = 30/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    30/40 = 30 × 3/40 × 3 = 90/120
  4. Add the two fractions:
    30/120 + 90/120 = 30 + 90/120 = 120/120
  5. 120/120 simplified gives 1/1
  6. So, 3/12 + 30/40 = 1/1

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