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Add 6/4 and 9/8

1st number: 1 2/4, 2nd number: 1 1/8

6/4 + 9/8 is 21/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 8 is 8
  2. For the 1st fraction, since 4 × 2 = 8,
    6/4 = 6 × 2/4 × 2 = 12/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    9/8 = 9 × 1/8 × 1 = 9/8
  4. Add the two fractions:
    12/8 + 9/8 = 12 + 9/8 = 21/8
  5. In mixed form: 25/8

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