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Add 8/84 and 9/90

8/84 + 9/90 is 41/210.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    8/84 = 8 × 15/84 × 15 = 120/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    9/90 = 9 × 14/90 × 14 = 126/1260
  4. Add the two like fractions:
    120/1260 + 126/1260 = 120 + 126/1260 = 246/1260
  5. 246/1260 simplified gives 41/210
  6. So, 8/84 + 9/90 = 41/210

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