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Add 20/72 and 45/54

20/72 + 45/54 is 10/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 54 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 72 × 3 = 216,
    20/72 = 20 × 3/72 × 3 = 60/216
  3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
    45/54 = 45 × 4/54 × 4 = 180/216
  4. Add the two like fractions:
    60/216 + 180/216 = 60 + 180/216 = 240/216
  5. 240/216 simplified gives 10/9
  6. So, 20/72 + 45/54 = 10/9
    In mixed form: 11/9

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