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Add 4/16 and 42/63

4/16 + 42/63 is 11/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 63 is 1008
  2. For the 1st fraction, since 16 × 63 = 1008,
    4/16 = 4 × 63/16 × 63 = 252/1008
  3. Likewise, for the 2nd fraction, since 63 × 16 = 1008,
    42/63 = 42 × 16/63 × 16 = 672/1008
  4. Add the two fractions:
    252/1008 + 672/1008 = 252 + 672/1008 = 924/1008
  5. 924/1008 simplified gives 11/12
  6. So, 4/16 + 42/63 = 11/12

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