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Add 15/70 and 12/56

15/70 + 12/56 is 3/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 56 is 280
  2. For the 1st fraction, since 70 × 4 = 280,
    15/70 = 15 × 4/70 × 4 = 60/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    12/56 = 12 × 5/56 × 5 = 60/280
  4. Add the two fractions:
    60/280 + 60/280 = 60 + 60/280 = 120/280
  5. After reducing the fraction, the answer is 3/7

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