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Add 63/84 and 42/49

63/84 + 42/49 is 45/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 49 is 588
  2. For the 1st fraction, since 84 × 7 = 588,
    63/84 = 63 × 7/84 × 7 = 441/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    42/49 = 42 × 12/49 × 12 = 504/588
  4. Add the two fractions:
    441/588 + 504/588 = 441 + 504/588 = 945/588
  5. After reducing the fraction, the answer is 45/28
  6. In mixed form: 117/28

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