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Add 21/2 and 45/3

1st number: 10 1/2, 2nd number: 15 0/3

21/2 + 45/3 is 51/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 3 is 6

    Next, find the equivalent fraction of both fractional numbers with denominator 6
  2. For the 1st fraction, since 2 × 3 = 6,
    21/2 = 21 × 3/2 × 3 = 63/6
  3. Likewise, for the 2nd fraction, since 3 × 2 = 6,
    45/3 = 45 × 2/3 × 2 = 90/6
  4. Add the two like fractions:
    63/6 + 90/6 = 63 + 90/6 = 153/6
  5. 153/6 simplified gives 51/2
  6. So, 21/2 + 45/3 = 51/2
    In mixed form: 251/2

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