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Add 30/20 and 81/24

1st number: 1 10/20, 2nd number: 3 9/24

30/20 + 81/24 is 39/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 24 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 20 × 6 = 120,
    30/20 = 30 × 6/20 × 6 = 180/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    81/24 = 81 × 5/24 × 5 = 405/120
  4. Add the two like fractions:
    180/120 + 405/120 = 180 + 405/120 = 585/120
  5. 585/120 simplified gives 39/8
  6. So, 30/20 + 81/24 = 39/8
    In mixed form: 47/8

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