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Add 21/20 and 28/16

1st number: 1 1/20, 2nd number: 1 12/16

21/20 + 28/16 is 14/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    21/20 = 21 × 4/20 × 4 = 84/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    28/16 = 28 × 5/16 × 5 = 140/80
  4. Add the two like fractions:
    84/80 + 140/80 = 84 + 140/80 = 224/80
  5. 224/80 simplified gives 14/5
  6. So, 21/20 + 28/16 = 14/5
    In mixed form: 24/5

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