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Subtract 9/28 from 72/10

1st number: 7 2/10, 2nd number: 9/28

72/10 - 9/28 is 963/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140
  2. For the 1st fraction, since 10 × 14 = 140,
    72/10 = 72 × 14/10 × 14 = 1008/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    9/28 = 9 × 5/28 × 5 = 45/140
  4. Subtract the two fractions:
    1008/140 - 45/140 = 1008 - 45/140 = 963/140
  5. In mixed form: 6123/140

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