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Add 81/5 and 42/20

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

81/5 + 42/20 is 183/10.

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,
    42/20 = 42 × 1/20 × 1 = 42/20
  4. Add the two like fractions:
    324/20 + 42/20 = 324 + 42/20 = 366/20
  5. 366/20 simplified gives 183/10
  6. So, 81/5 + 42/20 = 183/10
    In mixed form: 183/10

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