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Subtract 5/72 from 12/7

1st number: 1 5/7, 2nd number: 5/72

12/7 - 5/72 is 829/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    12/7 = 12 × 72/7 × 72 = 864/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    5/72 = 5 × 7/72 × 7 = 35/504
  4. Subtract the two like fractions:
    864/504 - 35/504 = 864 - 35/504 = 829/504
  5. In mixed form: 1325/504

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