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Add 25/42 and 12/56

25/42 + 12/56 is 17/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 56 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    25/42 = 25 × 4/42 × 4 = 100/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    12/56 = 12 × 3/56 × 3 = 36/168
  4. Add the two fractions:
    100/168 + 36/168 = 100 + 36/168 = 136/168
  5. After reducing the fraction, the answer is 17/21

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