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Add 20/90 and 63/12

1st number: 20/90, 2nd number: 5 3/12

20/90 + 63/12 is 197/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 12 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    20/90 = 20 × 2/90 × 2 = 40/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    63/12 = 63 × 15/12 × 15 = 945/180
  4. Add the two like fractions:
    40/180 + 945/180 = 40 + 945/180 = 985/180
  5. 985/180 simplified gives 197/36
  6. So, 20/90 + 63/12 = 197/36
    In mixed form: 517/36

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