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Add 81/30 and 75/8

1st number: 2 21/30, 2nd number: 9 3/8

81/30 + 75/8 is 483/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    81/30 = 81 × 4/30 × 4 = 324/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    75/8 = 75 × 15/8 × 15 = 1125/120
  4. Add the two like fractions:
    324/120 + 1125/120 = 324 + 1125/120 = 1449/120
  5. 1449/120 simplified gives 483/40
  6. So, 81/30 + 75/8 = 483/40
    In mixed form: 123/40

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