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Add 42/63 and 28/36

42/63 + 28/36 is 13/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 36 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 36 × 7 = 252,
    28/36 = 28 × 7/36 × 7 = 196/252
  4. Add the two like fractions:
    168/252 + 196/252 = 168 + 196/252 = 364/252
  5. 364/252 simplified gives 13/9
  6. So, 42/63 + 28/36 = 13/9
    In mixed form: 14/9

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