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Add 18/20 and 81/25

1st number: 18/20, 2nd number: 3 6/25

18/20 + 81/25 is 207/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 25 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 20 × 5 = 100,
    18/20 = 18 × 5/20 × 5 = 90/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    81/25 = 81 × 4/25 × 4 = 324/100
  4. Add the two like fractions:
    90/100 + 324/100 = 90 + 324/100 = 414/100
  5. 414/100 simplified gives 207/50
  6. So, 18/20 + 81/25 = 207/50
    In mixed form: 47/50

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