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Add 21/75 and 12/28

21/75 + 12/28 is 124/175.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 28 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 75 × 28 = 2100,
    21/75 = 21 × 28/75 × 28 = 588/2100
  3. Likewise, for the 2nd fraction, since 28 × 75 = 2100,
    12/28 = 12 × 75/28 × 75 = 900/2100
  4. Add the two like fractions:
    588/2100 + 900/2100 = 588 + 900/2100 = 1488/2100
  5. 1488/2100 simplified gives 124/175
  6. So, 21/75 + 12/28 = 124/175

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