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Add 12/18 and 5/8

12/18 + 5/8 is 31/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 18 × 4 = 72,
    12/18 = 12 × 4/18 × 4 = 48/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    5/8 = 5 × 9/8 × 9 = 45/72
  4. Add the two like fractions:
    48/72 + 45/72 = 48 + 45/72 = 93/72
  5. 93/72 simplified gives 31/24
  6. So, 12/18 + 5/8 = 31/24
    In mixed form: 17/24

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