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Subtract 70/40 from 8/28

1st number: 8/28, 2nd number: 1 30/40

8/28 - 70/40 is -41/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 40 is 280
  2. For the 1st fraction, since 28 × 10 = 280,
    8/28 = 8 × 10/28 × 10 = 80/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    70/40 = 70 × 7/40 × 7 = 490/280
  4. Subtract the two fractions:
    80/280 - 490/280 = 80 - 490/280 = -410/280
  5. After reducing the fraction, the answer is -41/28

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