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Add 21/20 and 2/10

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

21/20 + 2/10 is 5/4.

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,
    21/20 = 21 × 1/20 × 1 = 21/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    2/10 = 2 × 2/10 × 2 = 4/20
  4. Add the two like fractions:
    21/20 + 4/20 = 21 + 4/20 = 25/20
  5. 25/20 simplified gives 5/4
  6. So, 21/20 + 2/10 = 5/4
    In mixed form: 11/4

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