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Add 20/2 and 54/21

1st number: 10 0/2, 2nd number: 2 12/21

20/2 + 54/21 is 88/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    54/21 = 54 × 2/21 × 2 = 108/42
  4. Add the two like fractions:
    420/42 + 108/42 = 420 + 108/42 = 528/42
  5. 528/42 simplified gives 88/7
  6. So, 20/2 + 54/21 = 88/7
    In mixed form: 124/7

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