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Subtract 3/7 from 9/10

9/10 - 3/7 is 33/70.

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,
    9/10 = 9 × 7/10 × 7 = 63/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    3/7 = 3 × 10/7 × 10 = 30/70
  4. Subtract the two like fractions:
    63/70 - 30/70 = 63 - 30/70 = 33/70

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