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Add 12/21 and 54/12

1st number: 12/21, 2nd number: 4 6/12

12/21 + 54/12 is 71/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 12 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    12/21 = 12 × 4/21 × 4 = 48/84
  3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
    54/12 = 54 × 7/12 × 7 = 378/84
  4. Add the two like fractions:
    48/84 + 378/84 = 48 + 378/84 = 426/84
  5. 426/84 simplified gives 71/14
  6. So, 12/21 + 54/12 = 71/14
    In mixed form: 51/14

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