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Add 54/36 and 20/42

1st number: 1 18/36, 2nd number: 20/42

54/36 + 20/42 is 83/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 42 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    54/36 = 54 × 7/36 × 7 = 378/252
  3. Likewise, for the 2nd fraction, since 42 × 6 = 252,
    20/42 = 20 × 6/42 × 6 = 120/252
  4. Add the two like fractions:
    378/252 + 120/252 = 378 + 120/252 = 498/252
  5. 498/252 simplified gives 83/42
  6. So, 54/36 + 20/42 = 83/42
    In mixed form: 141/42

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