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Add 84/5 and 21/16

1st number: 16 4/5, 2nd number: 1 5/16

84/5 + 21/16 is 1449/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    84/5 = 84 × 16/5 × 16 = 1344/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    21/16 = 21 × 5/16 × 5 = 105/80
  4. Add the two like fractions:
    1344/80 + 105/80 = 1344 + 105/80 = 1449/80
  5. So, 84/5 + 21/16 = 1449/80
    In mixed form: 189/80

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