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Add 20/25 and 12/72

20/25 + 12/72 is 29/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 72 is 1800

    Next, find the equivalent fraction of both fractional numbers with denominator 1800
  2. For the 1st fraction, since 25 × 72 = 1800,
    20/25 = 20 × 72/25 × 72 = 1440/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    12/72 = 12 × 25/72 × 25 = 300/1800
  4. Add the two like fractions:
    1440/1800 + 300/1800 = 1440 + 300/1800 = 1740/1800
  5. 1740/1800 simplified gives 29/30
  6. So, 20/25 + 12/72 = 29/30

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