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Add 20/84 and 20/18

1st number: 20/84, 2nd number: 1 2/18

20/84 + 20/18 is 85/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 18 is 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 18 × 14 = 252,
    20/18 = 20 × 14/18 × 14 = 280/252
  4. Add the two fractions:
    60/252 + 280/252 = 60 + 280/252 = 340/252
  5. After reducing the fraction, the answer is 85/63
  6. In mixed form: 122/63

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