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Add 21/2 and 75/90

1st number: 10 1/2, 2nd number: 75/90

21/2 + 75/90 is 34/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 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 90 × 1 = 90,
    75/90 = 75 × 1/90 × 1 = 75/90
  4. Add the two like fractions:
    945/90 + 75/90 = 945 + 75/90 = 1020/90
  5. 1020/90 simplified gives 34/3
  6. So, 21/2 + 75/90 = 34/3
    In mixed form: 111/3

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