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Subtract 2/80 from 40/70

40/70 - 2/80 is 153/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 80 is 560
  2. For the 1st fraction, since 70 × 8 = 560,
    40/70 = 40 × 8/70 × 8 = 320/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    2/80 = 2 × 7/80 × 7 = 14/560
  4. Subtract the two fractions:
    320/560 - 14/560 = 320 - 14/560 = 306/560
  5. After reducing the fraction, the answer is 153/280

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