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Add 15/56 and 54/72

15/56 + 54/72 is 57/56.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    15/56 = 15 × 9/56 × 9 = 135/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    54/72 = 54 × 7/72 × 7 = 378/504
  4. Add the two like fractions:
    135/504 + 378/504 = 135 + 378/504 = 513/504
  5. 513/504 simplified gives 57/56
  6. So, 15/56 + 54/72 = 57/56
    In mixed form: 11/56

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