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Add 20/12 and 35/63

1st number: 1 8/12, 2nd number: 35/63

20/12 + 35/63 is 20/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 12 × 21 = 252,
    20/12 = 20 × 21/12 × 21 = 420/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    35/63 = 35 × 4/63 × 4 = 140/252
  4. Add the two like fractions:
    420/252 + 140/252 = 420 + 140/252 = 560/252
  5. 560/252 simplified gives 20/9
  6. So, 20/12 + 35/63 = 20/9
    In mixed form: 22/9

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