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Add 12/20 and 4/54

12/20 + 4/54 is 91/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 54 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    12/20 = 12 × 27/20 × 27 = 324/540
  3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
    4/54 = 4 × 10/54 × 10 = 40/540
  4. Add the two like fractions:
    324/540 + 40/540 = 324 + 40/540 = 364/540
  5. 364/540 simplified gives 91/135
  6. So, 12/20 + 4/54 = 91/135

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