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Add 14/20 and 21/54

14/20 + 21/54 is 49/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 54 is 540
  2. For the 1st fraction, since 20 × 27 = 540,
    14/20 = 14 × 27/20 × 27 = 378/540
  3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
    21/54 = 21 × 10/54 × 10 = 210/540
  4. Add the two fractions:
    378/540 + 210/540 = 378 + 210/540 = 588/540
  5. 588/540 simplified gives 49/45
  6. So, 14/20 + 21/54 = 49/45
    In mixed form: 14/45

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