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Add 10/80 and 90/84

1st number: 10/80, 2nd number: 1 6/84

10/80 + 90/84 is 67/56.

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,
    10/80 = 10 × 21/80 × 21 = 210/1680
  3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
    90/84 = 90 × 20/84 × 20 = 1800/1680
  4. Add the two like fractions:
    210/1680 + 1800/1680 = 210 + 1800/1680 = 2010/1680
  5. 2010/1680 simplified gives 67/56
  6. So, 10/80 + 90/84 = 67/56
    In mixed form: 111/56

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