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Add 75/90 and 63/84

75/90 + 63/84 is 19/12.

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,
    75/90 = 75 × 14/90 × 14 = 1050/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    63/84 = 63 × 15/84 × 15 = 945/1260
  4. Add the two like fractions:
    1050/1260 + 945/1260 = 1050 + 945/1260 = 1995/1260
  5. 1995/1260 simplified gives 19/12
  6. So, 75/90 + 63/84 = 19/12
    In mixed form: 17/12

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