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Add 36/90 and 45/84

36/90 + 45/84 is 131/140.

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,
    36/90 = 36 × 14/90 × 14 = 504/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    45/84 = 45 × 15/84 × 15 = 675/1260
  4. Add the two like fractions:
    504/1260 + 675/1260 = 504 + 675/1260 = 1179/1260
  5. 1179/1260 simplified gives 131/140
  6. So, 36/90 + 45/84 = 131/140

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