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Add 81/4 and 16/40

1st number: 20 1/4, 2nd number: 16/40

81/4 + 16/40 is 413/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 4 × 10 = 40,
    81/4 = 81 × 10/4 × 10 = 810/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    16/40 = 16 × 1/40 × 1 = 16/40
  4. Add the two like fractions:
    810/40 + 16/40 = 810 + 16/40 = 826/40
  5. 826/40 simplified gives 413/20
  6. So, 81/4 + 16/40 = 413/20
    In mixed form: 2013/20

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