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Add 21/12 and 1/8

1st number: 1 9/12, 2nd number: 1/8

21/12 + 1/8 is 15/8.

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,
    21/12 = 21 × 2/12 × 2 = 42/24
  3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
    1/8 = 1 × 3/8 × 3 = 3/24
  4. Add the two like fractions:
    42/24 + 3/24 = 42 + 3/24 = 45/24
  5. 45/24 simplified gives 15/8
  6. So, 21/12 + 1/8 = 15/8
    In mixed form: 17/8

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