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Add 2/5 and 9/8

1st number: 2/5, 2nd number: 1 1/8

2/5 + 9/8 is 61/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40
  2. For the 1st fraction, since 5 × 8 = 40,
    2/5 = 2 × 8/5 × 8 = 16/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    9/8 = 9 × 5/8 × 5 = 45/40
  4. Add the two fractions:
    16/40 + 45/40 = 16 + 45/40 = 61/40
  5. In mixed form: 121/40

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