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Subtract 10/18 from 72/10

1st number: 7 2/10, 2nd number: 10/18

72/10 - 10/18 is 299/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 18 is 90
  2. For the 1st fraction, since 10 × 9 = 90,
    72/10 = 72 × 9/10 × 9 = 648/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    10/18 = 10 × 5/18 × 5 = 50/90
  4. Subtract the two fractions:
    648/90 - 50/90 = 648 - 50/90 = 598/90
  5. After reducing the fraction, the answer is 299/45
  6. In mixed form: 629/45

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