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Add 5/8 and 10/18

5/8 + 10/18 is 85/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 72
  2. For the 1st fraction, since 8 × 9 = 72,
    5/8 = 5 × 9/8 × 9 = 45/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    10/18 = 10 × 4/18 × 4 = 40/72
  4. Add the two fractions:
    45/72 + 40/72 = 45 + 40/72 = 85/72
  5. In mixed form: 113/72

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