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Add 21/80 and 27/5

1st number: 21/80, 2nd number: 5 2/5

21/80 + 27/5 is 453/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 5 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    21/80 = 21 × 1/80 × 1 = 21/80
  3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
    27/5 = 27 × 16/5 × 16 = 432/80
  4. Add the two like fractions:
    21/80 + 432/80 = 21 + 432/80 = 453/80
  5. So, 21/80 + 27/5 = 453/80
    In mixed form: 553/80

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