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Add 21/2 and 15/45

1st number: 10 1/2, 2nd number: 15/45

21/2 + 15/45 is 65/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 2 × 45 = 90,
    21/2 = 21 × 45/2 × 45 = 945/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    15/45 = 15 × 2/45 × 2 = 30/90
  4. Add the two like fractions:
    945/90 + 30/90 = 945 + 30/90 = 975/90
  5. 975/90 simplified gives 65/6
  6. So, 21/2 + 15/45 = 65/6
    In mixed form: 105/6

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