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Add 63/72 and 6/42

63/72 + 6/42 is 57/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 42 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    63/72 = 63 × 7/72 × 7 = 441/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    6/42 = 6 × 12/42 × 12 = 72/504
  4. Add the two like fractions:
    441/504 + 72/504 = 441 + 72/504 = 513/504
  5. 513/504 simplified gives 57/56
  6. So, 63/72 + 6/42 = 57/56
    In mixed form: 11/56

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