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Subtract 24/20 from 40/70

1st number: 40/70, 2nd number: 1 4/20

40/70 - 24/20 is -22/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    40/70 = 40 × 2/70 × 2 = 80/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    24/20 = 24 × 7/20 × 7 = 168/140
  4. Subtract the two fractions:
    80/140 - 168/140 = 80 - 168/140 = -88/140
  5. After reducing the fraction, the answer is -22/35

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