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Subtract 20/10 from 5/72

1st number: 5/72, 2nd number: 2 0/10

5/72 - 20/10 is -139/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 10 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    5/72 = 5 × 5/72 × 5 = 25/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    20/10 = 20 × 36/10 × 36 = 720/360
  4. Subtract the two like fractions:
    25/360 - 720/360 = 25 - 720/360 = -695/360
  5. After reducing the fraction, the answer is -139/72

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