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Add 81/40 and 9/30

1st number: 2 1/40, 2nd number: 9/30

81/40 + 9/30 is 93/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    81/40 = 81 × 3/40 × 3 = 243/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    9/30 = 9 × 4/30 × 4 = 36/120
  4. Add the two like fractions:
    243/120 + 36/120 = 243 + 36/120 = 279/120
  5. 279/120 simplified gives 93/40
  6. So, 81/40 + 9/30 = 93/40
    In mixed form: 213/40

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