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Add 28/21 and 12/25

1st number: 1 7/21, 2nd number: 12/25

28/21 + 12/25 is 136/75.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 25 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 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 25 × 21 = 525,
    12/25 = 12 × 21/25 × 21 = 252/525
  4. Add the two like fractions:
    700/525 + 252/525 = 700 + 252/525 = 952/525
  5. 952/525 simplified gives 136/75
  6. So, 28/21 + 12/25 = 136/75
    In mixed form: 161/75

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