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Add 28/21 and 12/75

1st number: 1 7/21, 2nd number: 12/75

28/21 + 12/75 is 112/75.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 75 is 525
  2. For the 1st fraction, since 21 × 25 = 525,
    28/21 = 28 × 25/21 × 25 = 700/525
  3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
    12/75 = 12 × 7/75 × 7 = 84/525
  4. Add the two fractions:
    700/525 + 84/525 = 700 + 84/525 = 784/525
  5. 784/525 simplified gives 112/75
  6. So, 28/21 + 12/75 = 112/75
    In mixed form: 137/75

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