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Subtract 40/7 from 90/10

1st number: 9 0/10, 2nd number: 5 5/7

90/10 - 40/7 is 23/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 7 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 10 × 7 = 70,
    90/10 = 90 × 7/10 × 7 = 630/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    40/7 = 40 × 10/7 × 10 = 400/70
  4. Subtract the two like fractions:
    630/70 - 400/70 = 630 - 400/70 = 230/70
  5. After reducing the fraction, the answer is 23/7
  6. In mixed form: 32/7

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