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Add 18/40 and 49/15

1st number: 18/40, 2nd number: 3 4/15

18/40 + 49/15 is 223/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 15 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    18/40 = 18 × 3/40 × 3 = 54/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    49/15 = 49 × 8/15 × 8 = 392/120
  4. Add the two like fractions:
    54/120 + 392/120 = 54 + 392/120 = 446/120
  5. 446/120 simplified gives 223/60
  6. So, 18/40 + 49/15 = 223/60
    In mixed form: 343/60

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