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Subtract 12/72 from 7/5

1st number: 1 2/5, 2nd number: 12/72

7/5 - 12/72 is 37/30.

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,
    7/5 = 7 × 72/5 × 72 = 504/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    12/72 = 12 × 5/72 × 5 = 60/360
  4. Subtract the two like fractions:
    504/360 - 60/360 = 504 - 60/360 = 444/360
  5. After reducing the fraction, the answer is 37/30
  6. In mixed form: 17/30

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