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Add 42/63 and 25/84

42/63 + 25/84 is 27/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 84 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 63 × 4 = 252,
    42/63 = 42 × 4/63 × 4 = 168/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    25/84 = 25 × 3/84 × 3 = 75/252
  4. Add the two like fractions:
    168/252 + 75/252 = 168 + 75/252 = 243/252
  5. 243/252 simplified gives 27/28
  6. So, 42/63 + 25/84 = 27/28

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