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Add 90/8 and 20/84

1st number: 11 2/8, 2nd number: 20/84

90/8 + 20/84 is 965/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 84 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    90/8 = 90 × 21/8 × 21 = 1890/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    20/84 = 20 × 2/84 × 2 = 40/168
  4. Add the two like fractions:
    1890/168 + 40/168 = 1890 + 40/168 = 1930/168
  5. 1930/168 simplified gives 965/84
  6. So, 90/8 + 20/84 = 965/84
    In mixed form: 1141/84

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