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Add 18/12 and 21/8

1st number: 1 6/12, 2nd number: 2 5/8

18/12 + 21/8 is 33/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 8 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 12 × 2 = 24,
    18/12 = 18 × 2/12 × 2 = 36/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    21/8 = 21 × 3/8 × 3 = 63/24
  4. Add the two like fractions:
    36/24 + 63/24 = 36 + 63/24 = 99/24
  5. 99/24 simplified gives 33/8
  6. So, 18/12 + 21/8 = 33/8
    In mixed form: 41/8

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