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Add 12/84 and 45/54

12/84 + 45/54 is 41/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 54 is 756
  2. For the 1st fraction, since 84 × 9 = 756,
    12/84 = 12 × 9/84 × 9 = 108/756
  3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
    45/54 = 45 × 14/54 × 14 = 630/756
  4. Add the two fractions:
    108/756 + 630/756 = 108 + 630/756 = 738/756
  5. 738/756 simplified gives 41/42
  6. So, 12/84 + 45/54 = 41/42

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