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Add 21/2 and 9/4

1st number: 10 1/2, 2nd number: 2 1/4

21/2 + 9/4 is 51/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 4 is 4

    Next, find the equivalent fraction of both fractional numbers with denominator 4
  2. For the 1st fraction, since 2 × 2 = 4,
    21/2 = 21 × 2/2 × 2 = 42/4
  3. Likewise, for the 2nd fraction, since 4 × 1 = 4,
    9/4 = 9 × 1/4 × 1 = 9/4
  4. Add the two like fractions:
    42/4 + 9/4 = 42 + 9/4 = 51/4
  5. So, 21/2 + 9/4 = 51/4
    In mixed form: 123/4

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