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Subtract 20/7 from 35/80

1st number: 35/80, 2nd number: 2 6/7

35/80 - 20/7 is -271/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 7 is 560
  2. For the 1st fraction, since 80 × 7 = 560,
    35/80 = 35 × 7/80 × 7 = 245/560
  3. Likewise, for the 2nd fraction, since 7 × 80 = 560,
    20/7 = 20 × 80/7 × 80 = 1600/560
  4. Subtract the two fractions:
    245/560 - 1600/560 = 245 - 1600/560 = -1355/560
  5. After reducing the fraction, the answer is -271/112

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