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Add 4/12 and 28/49

4/12 + 28/49 is 19/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 49 is 588

    Next, find the equivalent fraction of both fractional numbers with denominator 588
  2. For the 1st fraction, since 12 × 49 = 588,
    4/12 = 4 × 49/12 × 49 = 196/588
  3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
    28/49 = 28 × 12/49 × 12 = 336/588
  4. Add the two like fractions:
    196/588 + 336/588 = 196 + 336/588 = 532/588
  5. 532/588 simplified gives 19/21
  6. So, 4/12 + 28/49 = 19/21

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