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Subtract 40/10 from 7/72

1st number: 7/72, 2nd number: 4 0/10

7/72 - 40/10 is -281/72.

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,
    7/72 = 7 × 5/72 × 5 = 35/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    40/10 = 40 × 36/10 × 36 = 1440/360
  4. Subtract the two like fractions:
    35/360 - 1440/360 = 35 - 1440/360 = -1405/360
  5. After reducing the fraction, the answer is -281/72

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