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Subtract 72/40 from 8/70

1st number: 8/70, 2nd number: 1 32/40

8/70 - 72/40 is -59/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    8/70 = 8 × 4/70 × 4 = 32/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    72/40 = 72 × 7/40 × 7 = 504/280
  4. Subtract the two like fractions:
    32/280 - 504/280 = 32 - 504/280 = -472/280
  5. After reducing the fraction, the answer is -59/35

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