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Add 21/12 and 9/75

1st number: 1 9/12, 2nd number: 9/75

21/12 + 9/75 is 187/100.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 75 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 12 × 25 = 300,
    21/12 = 21 × 25/12 × 25 = 525/300
  3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
    9/75 = 9 × 4/75 × 4 = 36/300
  4. Add the two like fractions:
    525/300 + 36/300 = 525 + 36/300 = 561/300
  5. 561/300 simplified gives 187/100
  6. So, 21/12 + 9/75 = 187/100
    In mixed form: 187/100

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