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Subtract 56/70 from 7/8

7/8 - 56/70 is 3/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 8 × 35 = 280,
    7/8 = 7 × 35/8 × 35 = 245/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    56/70 = 56 × 4/70 × 4 = 224/280
  4. Subtract the two like fractions:
    245/280 - 224/280 = 245 - 224/280 = 21/280
  5. After reducing the fraction, the answer is 3/40

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