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Add 72/4 and 5/42

1st number: 18 0/4, 2nd number: 5/42

72/4 + 5/42 is 761/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 42 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    72/4 = 72 × 21/4 × 21 = 1512/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    5/42 = 5 × 2/42 × 2 = 10/84
  4. Add the two fractions:
    1512/84 + 10/84 = 1512 + 10/84 = 1522/84
  5. 1522/84 simplified gives 761/42
  6. So, 72/4 + 5/42 = 761/42
    In mixed form: 185/42

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