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Add 20/48 and 45/54

20/48 + 45/54 is 5/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 54 is 432

    Next, find the equivalent fraction of both fractional numbers with denominator 432
  2. For the 1st fraction, since 48 × 9 = 432,
    20/48 = 20 × 9/48 × 9 = 180/432
  3. Likewise, for the 2nd fraction, since 54 × 8 = 432,
    45/54 = 45 × 8/54 × 8 = 360/432
  4. Add the two like fractions:
    180/432 + 360/432 = 180 + 360/432 = 540/432
  5. 540/432 simplified gives 5/4
  6. So, 20/48 + 45/54 = 5/4
    In mixed form: 11/4

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