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Subtract 4/72 from 3/5

3/5 - 4/72 is 49/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 5 × 72 = 360,
    3/5 = 3 × 72/5 × 72 = 216/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    4/72 = 4 × 5/72 × 5 = 20/360
  4. Subtract the two like fractions:
    216/360 - 20/360 = 216 - 20/360 = 196/360
  5. After reducing the fraction, the answer is 49/90

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