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Add 21/16 and 1/80

1st number: 1 5/16, 2nd number: 1/80

21/16 + 1/80 is 53/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    21/16 = 21 × 5/16 × 5 = 105/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    1/80 = 1 × 1/80 × 1 = 1/80
  4. Add the two like fractions:
    105/80 + 1/80 = 105 + 1/80 = 106/80
  5. 106/80 simplified gives 53/40
  6. So, 21/16 + 1/80 = 53/40
    In mixed form: 113/40

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