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Subtract 75/10 from 20/28

1st number: 20/28, 2nd number: 7 5/10

20/28 - 75/10 is -95/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 10 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    20/28 = 20 × 5/28 × 5 = 100/140
  3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
    75/10 = 75 × 14/10 × 14 = 1050/140
  4. Subtract the two fractions:
    100/140 - 1050/140 = 100 - 1050/140 = -950/140
  5. After reducing the fraction, the answer is -95/14

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