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Add 18/63 and 90/16

1st number: 18/63, 2nd number: 5 10/16

18/63 + 90/16 is 331/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 16 is 1008
  2. For the 1st fraction, since 63 × 16 = 1008,
    18/63 = 18 × 16/63 × 16 = 288/1008
  3. Likewise, for the 2nd fraction, since 16 × 63 = 1008,
    90/16 = 90 × 63/16 × 63 = 5670/1008
  4. Add the two fractions:
    288/1008 + 5670/1008 = 288 + 5670/1008 = 5958/1008
  5. 5958/1008 simplified gives 331/56
  6. So, 18/63 + 90/16 = 331/56
    In mixed form: 551/56

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