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Add 18/10 and 9/8

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

18/10 + 9/8 is 117/40.

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,
    9/8 = 9 × 5/8 × 5 = 45/40
  4. Add the two fractions:
    72/40 + 45/40 = 72 + 45/40 = 117/40
  5. So, 18/10 + 9/8 = 117/40
    In mixed form: 237/40

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