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Add 15/40 and 45/56

15/40 + 45/56 is 33/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    15/40 = 15 × 7/40 × 7 = 105/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    45/56 = 45 × 5/56 × 5 = 225/280
  4. Add the two like fractions:
    105/280 + 225/280 = 105 + 225/280 = 330/280
  5. 330/280 simplified gives 33/28
  6. So, 15/40 + 45/56 = 33/28
    In mixed form: 15/28

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