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Add 72/15 and 3/42

1st number: 4 12/15, 2nd number: 3/42

72/15 + 3/42 is 341/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    72/15 = 72 × 14/15 × 14 = 1008/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    3/42 = 3 × 5/42 × 5 = 15/210
  4. Add the two fractions:
    1008/210 + 15/210 = 1008 + 15/210 = 1023/210
  5. 1023/210 simplified gives 341/70
  6. So, 72/15 + 3/42 = 341/70
    In mixed form: 461/70

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