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Add 21/28 and 36/75

21/28 + 36/75 is 123/100.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 28 × 75 = 2100,
    21/28 = 21 × 75/28 × 75 = 1575/2100
  3. Likewise, for the 2nd fraction, since 75 × 28 = 2100,
    36/75 = 36 × 28/75 × 28 = 1008/2100
  4. Add the two like fractions:
    1575/2100 + 1008/2100 = 1575 + 1008/2100 = 2583/2100
  5. 2583/2100 simplified gives 123/100
  6. So, 21/28 + 36/75 = 123/100
    In mixed form: 123/100

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