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Add 15/72 and 3/56

15/72 + 3/56 is 11/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    15/72 = 15 × 7/72 × 7 = 105/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    3/56 = 3 × 9/56 × 9 = 27/504
  4. Add the two like fractions:
    105/504 + 27/504 = 105 + 27/504 = 132/504
  5. 132/504 simplified gives 11/42
  6. So, 15/72 + 3/56 = 11/42

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