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Subtract 7/72 from 20/10

1st number: 2 0/10, 2nd number: 7/72

20/10 - 7/72 is 137/72.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 10 × 36 = 360,
    20/10 = 20 × 36/10 × 36 = 720/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    7/72 = 7 × 5/72 × 5 = 35/360
  4. Subtract the two like fractions:
    720/360 - 35/360 = 720 - 35/360 = 685/360
  5. After reducing the fraction, the answer is 137/72
  6. In mixed form: 165/72

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