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Add 45/72 and 18/56

45/72 + 18/56 is 53/56.

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,
    45/72 = 45 × 7/72 × 7 = 315/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    18/56 = 18 × 9/56 × 9 = 162/504
  4. Add the two like fractions:
    315/504 + 162/504 = 315 + 162/504 = 477/504
  5. 477/504 simplified gives 53/56
  6. So, 45/72 + 18/56 = 53/56

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