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Add 15/90 and 2/84

15/90 + 2/84 is 4/21.

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,
    15/90 = 15 × 14/90 × 14 = 210/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    2/84 = 2 × 15/84 × 15 = 30/1260
  4. Add the two like fractions:
    210/1260 + 30/1260 = 210 + 30/1260 = 240/1260
  5. 240/1260 simplified gives 4/21
  6. So, 15/90 + 2/84 = 4/21

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