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Add 18/10 and 5/8

1st number: 1 8/10, 2nd number: 5/8

18/10 + 5/8 is 97/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    18/10 = 18 × 4/10 × 4 = 72/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    5/8 = 5 × 5/8 × 5 = 25/40
  4. Add the two fractions:
    72/40 + 25/40 = 72 + 25/40 = 97/40
  5. In mixed form: 217/40

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