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Add 72/42 and 56/8

1st number: 1 30/42, 2nd number: 7 0/8

72/42 + 56/8 is 61/7.

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,
    72/42 = 72 × 4/42 × 4 = 288/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    56/8 = 56 × 21/8 × 21 = 1176/168
  4. Add the two fractions:
    288/168 + 1176/168 = 288 + 1176/168 = 1464/168
  5. After reducing the fraction, the answer is 61/7
  6. In mixed form: 85/7

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