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Add 81/5 and 1/20

1st number: 16 1/5, 2nd number: 1/20

81/5 + 1/20 is 65/4.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 5 × 4 = 20,
    81/5 = 81 × 4/5 × 4 = 324/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    1/20 = 1 × 1/20 × 1 = 1/20
  4. Add the two like fractions:
    324/20 + 1/20 = 324 + 1/20 = 325/20
  5. 325/20 simplified gives 65/4
  6. So, 81/5 + 1/20 = 65/4
    In mixed form: 161/4

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