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Add 90/80 and 84/4

1st number: 1 10/80, 2nd number: 21 0/4

90/80 + 84/4 is 177/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 4 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    90/80 = 90 × 1/80 × 1 = 90/80
  3. Likewise, for the 2nd fraction, since 4 × 20 = 80,
    84/4 = 84 × 20/4 × 20 = 1680/80
  4. Add the two like fractions:
    90/80 + 1680/80 = 90 + 1680/80 = 1770/80
  5. 1770/80 simplified gives 177/8
  6. So, 90/80 + 84/4 = 177/8
    In mixed form: 221/8

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