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Add 81/5 and 15/18

1st number: 16 1/5, 2nd number: 15/18

81/5 + 15/18 is 511/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 5 × 18 = 90,
    81/5 = 81 × 18/5 × 18 = 1458/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    15/18 = 15 × 5/18 × 5 = 75/90
  4. Add the two like fractions:
    1458/90 + 75/90 = 1458 + 75/90 = 1533/90
  5. 1533/90 simplified gives 511/30
  6. So, 81/5 + 15/18 = 511/30
    In mixed form: 171/30

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