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Add 45/21 and 18/25

1st number: 2 3/21, 2nd number: 18/25

45/21 + 18/25 is 501/175.

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,
    45/21 = 45 × 25/21 × 25 = 1125/525
  3. Likewise, for the 2nd fraction, since 25 × 21 = 525,
    18/25 = 18 × 21/25 × 21 = 378/525
  4. Add the two like fractions:
    1125/525 + 378/525 = 1125 + 378/525 = 1503/525
  5. 1503/525 simplified gives 501/175
  6. So, 45/21 + 18/25 = 501/175
    In mixed form: 2151/175

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