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Add 18/40 and 15/56

18/40 + 15/56 is 201/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 56 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    18/40 = 18 × 7/40 × 7 = 126/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    15/56 = 15 × 5/56 × 5 = 75/280
  4. Add the two fractions:
    126/280 + 75/280 = 126 + 75/280 = 201/280
  5. So, 18/40 + 15/56 = 201/280

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