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Add 5/2 and 42/81

1st number: 2 1/2, 2nd number: 42/81

5/2 + 42/81 is 163/54.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 81 is 162

    Next, find the equivalent fraction of both fractional numbers with denominator 162
  2. For the 1st fraction, since 2 × 81 = 162,
    5/2 = 5 × 81/2 × 81 = 405/162
  3. Likewise, for the 2nd fraction, since 81 × 2 = 162,
    42/81 = 42 × 2/81 × 2 = 84/162
  4. Add the two like fractions:
    405/162 + 84/162 = 405 + 84/162 = 489/162
  5. 489/162 simplified gives 163/54
  6. So, 5/2 + 42/81 = 163/54
    In mixed form: 31/54

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