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Add 81/20 and 3/10

1st number: 4 1/20, 2nd number: 3/10

81/20 + 3/10 is 87/20.

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,
    81/20 = 81 × 1/20 × 1 = 81/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    3/10 = 3 × 2/10 × 2 = 6/20
  4. Add the two like fractions:
    81/20 + 6/20 = 81 + 6/20 = 87/20
  5. So, 81/20 + 3/10 = 87/20
    In mixed form: 47/20

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