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Add 20/84 and 90/63

1st number: 20/84, 2nd number: 1 27/63

20/84 + 90/63 is 5/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    20/84 = 20 × 3/84 × 3 = 60/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    90/63 = 90 × 4/63 × 4 = 360/252
  4. Add the two like fractions:
    60/252 + 360/252 = 60 + 360/252 = 420/252
  5. 420/252 simplified gives 5/3
  6. So, 20/84 + 90/63 = 5/3
    In mixed form: 12/3

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