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Add 15/42 and 9/8

1st number: 15/42, 2nd number: 1 1/8

15/42 + 9/8 is 83/56.

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,
    15/42 = 15 × 4/42 × 4 = 60/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    9/8 = 9 × 21/8 × 21 = 189/168
  4. Add the two fractions:
    60/168 + 189/168 = 60 + 189/168 = 249/168
  5. After reducing the fraction, the answer is 83/56
  6. In mixed form: 127/56

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