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Add 3/4 and 54/42

1st number: 3/4, 2nd number: 1 12/42

3/4 + 54/42 is 57/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 42 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 4 × 21 = 84,
    3/4 = 3 × 21/4 × 21 = 63/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    54/42 = 54 × 2/42 × 2 = 108/84
  4. Add the two like fractions:
    63/84 + 108/84 = 63 + 108/84 = 171/84
  5. 171/84 simplified gives 57/28
  6. So, 3/4 + 54/42 = 57/28
    In mixed form: 21/28

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