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Add 81/4 and 9/20

1st number: 20 1/4, 2nd number: 9/20

81/4 + 9/20 is 207/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    81/4 = 81 × 5/4 × 5 = 405/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    9/20 = 9 × 1/20 × 1 = 9/20
  4. Add the two like fractions:
    405/20 + 9/20 = 405 + 9/20 = 414/20
  5. 414/20 simplified gives 207/10
  6. So, 81/4 + 9/20 = 207/10
    In mixed form: 207/10

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