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Subtract 42/80 from 5/35

5/35 - 42/80 is -107/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 80 is 560
  2. For the 1st fraction, since 35 × 16 = 560,
    5/35 = 5 × 16/35 × 16 = 80/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    42/80 = 42 × 7/80 × 7 = 294/560
  4. Subtract the two fractions:
    80/560 - 294/560 = 80 - 294/560 = -214/560
  5. After reducing the fraction, the answer is -107/280

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