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Add 21/2 and 90/56

1st number: 10 1/2, 2nd number: 1 34/56

21/2 + 90/56 is 339/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 56 is 56
  2. For the 1st fraction, since 2 × 28 = 56,
    21/2 = 21 × 28/2 × 28 = 588/56
  3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
    90/56 = 90 × 1/56 × 1 = 90/56
  4. Add the two fractions:
    588/56 + 90/56 = 588 + 90/56 = 678/56
  5. After reducing the fraction, the answer is 339/28
  6. In mixed form: 123/28

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