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Add 18/3 and 28/40

1st number: 6 0/3, 2nd number: 28/40

18/3 + 28/40 is 67/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 3 × 40 = 120,
    18/3 = 18 × 40/3 × 40 = 720/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    28/40 = 28 × 3/40 × 3 = 84/120
  4. Add the two like fractions:
    720/120 + 84/120 = 720 + 84/120 = 804/120
  5. 804/120 simplified gives 67/10
  6. So, 18/3 + 28/40 = 67/10
    In mixed form: 67/10

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