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Add 81/63 and 12/36

1st number: 1 18/63, 2nd number: 12/36

81/63 + 12/36 is 34/21.

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,
    81/63 = 81 × 4/63 × 4 = 324/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    12/36 = 12 × 7/36 × 7 = 84/252
  4. Add the two like fractions:
    324/252 + 84/252 = 324 + 84/252 = 408/252
  5. 408/252 simplified gives 34/21
  6. So, 81/63 + 12/36 = 34/21
    In mixed form: 113/21

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