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Add 12/20 and 12/56

12/20 + 12/56 is 57/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280
  2. For the 1st fraction, since 20 × 14 = 280,
    12/20 = 12 × 14/20 × 14 = 168/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    12/56 = 12 × 5/56 × 5 = 60/280
  4. Add the two fractions:
    168/280 + 60/280 = 168 + 60/280 = 228/280
  5. After reducing the fraction, the answer is 57/70

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