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Add 20/2 and 1/21

1st number: 10 0/2, 2nd number: 1/21

20/2 + 1/21 is 211/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    20/2 = 20 × 21/2 × 21 = 420/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    1/21 = 1 × 2/21 × 2 = 2/42
  4. Add the two fractions:
    420/42 + 2/42 = 420 + 2/42 = 422/42
  5. After reducing the fraction, the answer is 211/21
  6. In mixed form: 101/21

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