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Add 7/81 and 12/28

7/81 + 12/28 is 292/567.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 28 is 2268

    Next, find the equivalent fraction of both fractional numbers with denominator 2268
  2. For the 1st fraction, since 81 × 28 = 2268,
    7/81 = 7 × 28/81 × 28 = 196/2268
  3. Likewise, for the 2nd fraction, since 28 × 81 = 2268,
    12/28 = 12 × 81/28 × 81 = 972/2268
  4. Add the two like fractions:
    196/2268 + 972/2268 = 196 + 972/2268 = 1168/2268
  5. 1168/2268 simplified gives 292/567
  6. So, 7/81 + 12/28 = 292/567

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