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Add 28/63 and 9/16

28/63 + 9/16 is 145/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 16 is 1008

    Next, find the equivalent fraction of both fractional numbers with denominator 1008
  2. For the 1st fraction, since 63 × 16 = 1008,
    28/63 = 28 × 16/63 × 16 = 448/1008
  3. Likewise, for the 2nd fraction, since 16 × 63 = 1008,
    9/16 = 9 × 63/16 × 63 = 567/1008
  4. Add the two like fractions:
    448/1008 + 567/1008 = 448 + 567/1008 = 1015/1008
  5. 1015/1008 simplified gives 145/144
  6. So, 28/63 + 9/16 = 145/144
    In mixed form: 11/144

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