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Add 21/2 and 20/56

1st number: 10 1/2, 2nd number: 20/56

21/2 + 20/56 is 76/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 56 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    20/56 = 20 × 1/56 × 1 = 20/56
  4. Add the two like fractions:
    588/56 + 20/56 = 588 + 20/56 = 608/56
  5. 608/56 simplified gives 76/7
  6. So, 21/2 + 20/56 = 76/7
    In mixed form: 106/7

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