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Subtract 70/40 from 56/72

1st number: 56/72, 2nd number: 1 30/40

56/72 - 70/40 is -35/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 is 360
  2. For the 1st fraction, since 72 × 5 = 360,
    56/72 = 56 × 5/72 × 5 = 280/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    70/40 = 70 × 9/40 × 9 = 630/360
  4. Subtract the two fractions:
    280/360 - 630/360 = 280 - 630/360 = -350/360
  5. After reducing the fraction, the answer is -35/36

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