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Add 7/84 and 28/36

7/84 + 28/36 is 31/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    7/84 = 7 × 3/84 × 3 = 21/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    28/36 = 28 × 7/36 × 7 = 196/252
  4. Add the two like fractions:
    21/252 + 196/252 = 21 + 196/252 = 217/252
  5. 217/252 simplified gives 31/36
  6. So, 7/84 + 28/36 = 31/36

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