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Add 45/56 and 54/72

45/56 + 54/72 is 87/56.

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,
    45/56 = 45 × 9/56 × 9 = 405/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    54/72 = 54 × 7/72 × 7 = 378/504
  4. Add the two like fractions:
    405/504 + 378/504 = 405 + 378/504 = 783/504
  5. 783/504 simplified gives 87/56
  6. So, 45/56 + 54/72 = 87/56
    In mixed form: 131/56

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