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Add 42/75 and 15/42

42/75 + 15/42 is 321/350.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 75 × 14 = 1050,
    42/75 = 42 × 14/75 × 14 = 588/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    15/42 = 15 × 25/42 × 25 = 375/1050
  4. Add the two like fractions:
    588/1050 + 375/1050 = 588 + 375/1050 = 963/1050
  5. 963/1050 simplified gives 321/350
  6. So, 42/75 + 15/42 = 321/350

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