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Add 21/2 and 56/20

1st number: 10 1/2, 2nd number: 2 16/20

21/2 + 56/20 is 133/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 2 × 10 = 20,
    21/2 = 21 × 10/2 × 10 = 210/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    56/20 = 56 × 1/20 × 1 = 56/20
  4. Add the two like fractions:
    210/20 + 56/20 = 210 + 56/20 = 266/20
  5. 266/20 simplified gives 133/10
  6. So, 21/2 + 56/20 = 133/10
    In mixed form: 133/10

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