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Add 84/20 and 12/84

1st number: 4 4/20, 2nd number: 12/84

84/20 + 12/84 is 152/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    84/20 = 84 × 21/20 × 21 = 1764/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    12/84 = 12 × 5/84 × 5 = 60/420
  4. Add the two like fractions:
    1764/420 + 60/420 = 1764 + 60/420 = 1824/420
  5. 1824/420 simplified gives 152/35
  6. So, 84/20 + 12/84 = 152/35
    In mixed form: 412/35

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