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Add 90/80 and 1/84

1st number: 1 10/80, 2nd number: 1/84

90/80 + 1/84 is 191/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 84 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 80 × 21 = 1680,
    90/80 = 90 × 21/80 × 21 = 1890/1680
  3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
    1/84 = 1 × 20/84 × 20 = 20/1680
  4. Add the two like fractions:
    1890/1680 + 20/1680 = 1890 + 20/1680 = 1910/1680
  5. 1910/1680 simplified gives 191/168
  6. So, 90/80 + 1/84 = 191/168
    In mixed form: 123/168

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