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Add 1/12 and 15/63

1/12 + 15/63 is 9/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 12 × 21 = 252,
    1/12 = 1 × 21/12 × 21 = 21/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    15/63 = 15 × 4/63 × 4 = 60/252
  4. Add the two like fractions:
    21/252 + 60/252 = 21 + 60/252 = 81/252
  5. 81/252 simplified gives 9/28
  6. So, 1/12 + 15/63 = 9/28

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