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Add 21/75 and 20/54

21/75 + 20/54 is 439/675.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 54 is 1350

    Next, find the equivalent fraction of both fractional numbers with denominator 1350
  2. For the 1st fraction, since 75 × 18 = 1350,
    21/75 = 21 × 18/75 × 18 = 378/1350
  3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
    20/54 = 20 × 25/54 × 25 = 500/1350
  4. Add the two like fractions:
    378/1350 + 500/1350 = 378 + 500/1350 = 878/1350
  5. 878/1350 simplified gives 439/675
  6. So, 21/75 + 20/54 = 439/675

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