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Add 21/2 and 30/8

1st number: 10 1/2, 2nd number: 3 6/8

21/2 + 30/8 is 57/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 8 is 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,
    30/8 = 30 × 1/8 × 1 = 30/8
  4. Add the two fractions:
    84/8 + 30/8 = 84 + 30/8 = 114/8
  5. After reducing the fraction, the answer is 57/4
  6. In mixed form: 141/4

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