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Add 81/20 and 16/5

1st number: 4 1/20, 2nd number: 3 1/5

81/20 + 16/5 is 29/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    81/20 = 81 × 1/20 × 1 = 81/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    16/5 = 16 × 4/5 × 4 = 64/20
  4. Add the two like fractions:
    81/20 + 64/20 = 81 + 64/20 = 145/20
  5. 145/20 simplified gives 29/4
  6. So, 81/20 + 16/5 = 29/4
    In mixed form: 71/4

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