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Add 2/5 and 81/18

1st number: 2/5, 2nd number: 4 9/18

2/5 + 81/18 is 49/10.

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,
    2/5 = 2 × 18/5 × 18 = 36/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    81/18 = 81 × 5/18 × 5 = 405/90
  4. Add the two like fractions:
    36/90 + 405/90 = 36 + 405/90 = 441/90
  5. 441/90 simplified gives 49/10
  6. So, 2/5 + 81/18 = 49/10
    In mixed form: 49/10

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