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Subtract 10/90 from 10/7

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

10/7 - 10/90 is 83/63.

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,
    10/7 = 10 × 90/7 × 90 = 900/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    10/90 = 10 × 7/90 × 7 = 70/630
  4. Subtract the two like fractions:
    900/630 - 70/630 = 900 - 70/630 = 830/630
  5. After reducing the fraction, the answer is 83/63
  6. In mixed form: 120/63

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