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Add 12/50 and 15/42

12/50 + 15/42 is 209/350.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 42 is 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    12/50 = 12 × 21/50 × 21 = 252/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    15/42 = 15 × 25/42 × 25 = 375/1050
  4. Add the two fractions:
    252/1050 + 375/1050 = 252 + 375/1050 = 627/1050
  5. After reducing the fraction, the answer is 209/350

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