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Add 28/63 and 15/36

28/63 + 15/36 is 31/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 36 is 252
  2. For the 1st fraction, since 63 × 4 = 252,
    28/63 = 28 × 4/63 × 4 = 112/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    15/36 = 15 × 7/36 × 7 = 105/252
  4. Add the two fractions:
    112/252 + 105/252 = 112 + 105/252 = 217/252
  5. 217/252 simplified gives 31/36
  6. So, 28/63 + 15/36 = 31/36

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