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Subtract 8/9 from 70/40

1st number: 1 30/40, 2nd number: 8/9

70/40 - 8/9 is 31/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    70/40 = 70 × 9/40 × 9 = 630/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    8/9 = 8 × 40/9 × 40 = 320/360
  4. Subtract the two fractions:
    630/360 - 320/360 = 630 - 320/360 = 310/360
  5. After reducing the fraction, the answer is 31/36

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