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Add 4/25 and 15/21

4/25 + 15/21 is 153/175.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 25 × 21 = 525,
    4/25 = 4 × 21/25 × 21 = 84/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    15/21 = 15 × 25/21 × 25 = 375/525
  4. Add the two like fractions:
    84/525 + 375/525 = 84 + 375/525 = 459/525
  5. 459/525 simplified gives 153/175
  6. So, 4/25 + 15/21 = 153/175

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