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Add 21/2 and 63/90

1st number: 10 1/2, 2nd number: 63/90

21/2 + 63/90 is 56/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 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,
    63/90 = 63 × 1/90 × 1 = 63/90
  4. Add the two fractions:
    945/90 + 63/90 = 945 + 63/90 = 1008/90
  5. After reducing the fraction, the answer is 56/5
  6. In mixed form: 111/5

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