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Add 14/28 and 21/54

14/28 + 21/54 is 8/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 54 is 756
  2. For the 1st fraction, since 28 × 27 = 756,
    14/28 = 14 × 27/28 × 27 = 378/756
  3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
    21/54 = 21 × 14/54 × 14 = 294/756
  4. Add the two fractions:
    378/756 + 294/756 = 378 + 294/756 = 672/756
  5. 672/756 simplified gives 8/9
  6. So, 14/28 + 21/54 = 8/9

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