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Add 63/3 and 75/20

1st number: 21 0/3, 2nd number: 3 15/20

63/3 + 75/20 is 99/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 3 × 20 = 60,
    63/3 = 63 × 20/3 × 20 = 1260/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    75/20 = 75 × 3/20 × 3 = 225/60
  4. Add the two like fractions:
    1260/60 + 225/60 = 1260 + 225/60 = 1485/60
  5. 1485/60 simplified gives 99/4
  6. So, 63/3 + 75/20 = 99/4
    In mixed form: 243/4

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