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Add 63/20 and 45/12

1st number: 3 3/20, 2nd number: 3 9/12

63/20 + 45/12 is 69/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    63/20 = 63 × 3/20 × 3 = 189/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    45/12 = 45 × 5/12 × 5 = 225/60
  4. Add the two like fractions:
    189/60 + 225/60 = 189 + 225/60 = 414/60
  5. 414/60 simplified gives 69/10
  6. So, 63/20 + 45/12 = 69/10
    In mixed form: 69/10

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