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Subtract 1/72 from 90/10

1st number: 9 0/10, 2nd number: 1/72

90/10 - 1/72 is 647/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 72 is 360
  2. For the 1st fraction, since 10 × 36 = 360,
    90/10 = 90 × 36/10 × 36 = 3240/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    1/72 = 1 × 5/72 × 5 = 5/360
  4. Subtract the two fractions:
    3240/360 - 5/360 = 3240 - 5/360 = 3235/360
  5. After reducing the fraction, the answer is 647/72
  6. In mixed form: 871/72

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