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Subtract 3/90 from 70/7

1st number: 10 0/7, 2nd number: 3/90

70/7 - 3/90 is 299/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    70/7 = 70 × 90/7 × 90 = 6300/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    3/90 = 3 × 7/90 × 7 = 21/630
  4. Subtract the two like fractions:
    6300/630 - 21/630 = 6300 - 21/630 = 6279/630
  5. After reducing the fraction, the answer is 299/30
  6. In mixed form: 929/30

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