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Add 20/10 and 1/21

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

20/10 + 1/21 is 43/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    20/10 = 20 × 21/10 × 21 = 420/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    1/21 = 1 × 10/21 × 10 = 10/210
  4. Add the two like fractions:
    420/210 + 10/210 = 420 + 10/210 = 430/210
  5. 430/210 simplified gives 43/21
  6. So, 20/10 + 1/21 = 43/21
    In mixed form: 21/21

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