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Add 12/20 and 21/10

1st number: 12/20, 2nd number: 2 1/10

12/20 + 21/10 is 27/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    12/20 = 12 × 1/20 × 1 = 12/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    21/10 = 21 × 2/10 × 2 = 42/20
  4. Add the two like fractions:
    12/20 + 42/20 = 12 + 42/20 = 54/20
  5. 54/20 simplified gives 27/10
  6. So, 12/20 + 21/10 = 27/10
    In mixed form: 27/10

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