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Add 63/18 and 6/20

1st number: 3 9/18, 2nd number: 6/20

63/18 + 6/20 is 19/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    63/18 = 63 × 10/18 × 10 = 630/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    6/20 = 6 × 9/20 × 9 = 54/180
  4. Add the two like fractions:
    630/180 + 54/180 = 630 + 54/180 = 684/180
  5. 684/180 simplified gives 19/5
  6. So, 63/18 + 6/20 = 19/5
    In mixed form: 34/5

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