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Add 45/75 and 54/72

45/75 + 54/72 is 27/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 72 is 1800

    Next, find the equivalent fraction of both fractional numbers with denominator 1800
  2. For the 1st fraction, since 75 × 24 = 1800,
    45/75 = 45 × 24/75 × 24 = 1080/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    54/72 = 54 × 25/72 × 25 = 1350/1800
  4. Add the two like fractions:
    1080/1800 + 1350/1800 = 1080 + 1350/1800 = 2430/1800
  5. 2430/1800 simplified gives 27/20
  6. So, 45/75 + 54/72 = 27/20
    In mixed form: 17/20

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