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Add 21/2 and 5/8

1st number: 10 1/2, 2nd number: 5/8

21/2 + 5/8 is 89/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 8 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 2 × 4 = 8,
    21/2 = 21 × 4/2 × 4 = 84/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    5/8 = 5 × 1/8 × 1 = 5/8
  4. Add the two like fractions:
    84/8 + 5/8 = 84 + 5/8 = 89/8
  5. So, 21/2 + 5/8 = 89/8
    In mixed form: 111/8

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