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Add 40/42 and 28/8

1st number: 40/42, 2nd number: 3 4/8

40/42 + 28/8 is 187/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168
  2. For the 1st fraction, since 42 × 4 = 168,
    40/42 = 40 × 4/42 × 4 = 160/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    28/8 = 28 × 21/8 × 21 = 588/168
  4. Add the two fractions:
    160/168 + 588/168 = 160 + 588/168 = 748/168
  5. After reducing the fraction, the answer is 187/42
  6. In mixed form: 419/42

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