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Add 81/42 and 14/35

1st number: 1 39/42, 2nd number: 14/35

81/42 + 14/35 is 163/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 35 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    81/42 = 81 × 5/42 × 5 = 405/210
  3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
    14/35 = 14 × 6/35 × 6 = 84/210
  4. Add the two like fractions:
    405/210 + 84/210 = 405 + 84/210 = 489/210
  5. 489/210 simplified gives 163/70
  6. So, 81/42 + 14/35 = 163/70
    In mixed form: 223/70

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