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Add 63/3 and 64/5

1st number: 21 0/3, 2nd number: 12 4/5

63/3 + 64/5 is 169/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 5 is 15

    Next, find the equivalent fraction of both fractional numbers with denominator 15
  2. For the 1st fraction, since 3 × 5 = 15,
    63/3 = 63 × 5/3 × 5 = 315/15
  3. Likewise, for the 2nd fraction, since 5 × 3 = 15,
    64/5 = 64 × 3/5 × 3 = 192/15
  4. Add the two like fractions:
    315/15 + 192/15 = 315 + 192/15 = 507/15
  5. 507/15 simplified gives 169/5
  6. So, 63/3 + 64/5 = 169/5
    In mixed form: 334/5

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