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Subtract 5/72 from 20/14

1st number: 1 6/14, 2nd number: 5/72

20/14 - 5/72 is 685/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 14 × 36 = 504,
    20/14 = 20 × 36/14 × 36 = 720/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    5/72 = 5 × 7/72 × 7 = 35/504
  4. Subtract the two like fractions:
    720/504 - 35/504 = 720 - 35/504 = 685/504
  5. In mixed form: 1181/504

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