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Add 81/4 and 80/25

1st number: 20 1/4, 2nd number: 3 5/25

81/4 + 80/25 is 469/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 25 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 4 × 25 = 100,
    81/4 = 81 × 25/4 × 25 = 2025/100
  3. Likewise, for the 2nd fraction, since 25 × 4 = 100,
    80/25 = 80 × 4/25 × 4 = 320/100
  4. Add the two like fractions:
    2025/100 + 320/100 = 2025 + 320/100 = 2345/100
  5. 2345/100 simplified gives 469/20
  6. So, 81/4 + 80/25 = 469/20
    In mixed form: 239/20

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