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Add 18/40 and 24/8

1st number: 18/40, 2nd number: 3 0/8

18/40 + 24/8 is 69/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    18/40 = 18 × 1/40 × 1 = 18/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    24/8 = 24 × 5/8 × 5 = 120/40
  4. Add the two like fractions:
    18/40 + 120/40 = 18 + 120/40 = 138/40
  5. 138/40 simplified gives 69/20
  6. So, 18/40 + 24/8 = 69/20
    In mixed form: 39/20

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