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Add 90/5 and 4/80

1st number: 18 0/5, 2nd number: 4/80

90/5 + 4/80 is 361/20.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    90/5 = 90 × 16/5 × 16 = 1440/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    4/80 = 4 × 1/80 × 1 = 4/80
  4. Add the two like fractions:
    1440/80 + 4/80 = 1440 + 4/80 = 1444/80
  5. 1444/80 simplified gives 361/20
  6. So, 90/5 + 4/80 = 361/20
    In mixed form: 181/20

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