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Add 9/90 and 3/84

9/90 + 3/84 is 19/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    9/90 = 9 × 14/90 × 14 = 126/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    3/84 = 3 × 15/84 × 15 = 45/1260
  4. Add the two like fractions:
    126/1260 + 45/1260 = 126 + 45/1260 = 171/1260
  5. 171/1260 simplified gives 19/140
  6. So, 9/90 + 3/84 = 19/140

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