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Subtract 1/80 from 20/7

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

20/7 - 1/80 is 1593/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 7 × 80 = 560,
    20/7 = 20 × 80/7 × 80 = 1600/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    1/80 = 1 × 7/80 × 7 = 7/560
  4. Subtract the two like fractions:
    1600/560 - 7/560 = 1600 - 7/560 = 1593/560
  5. In mixed form: 2473/560

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