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Subtract 15/80 from 18/14

1st number: 1 4/14, 2nd number: 15/80

18/14 - 15/80 is 123/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 14 × 40 = 560,
    18/14 = 18 × 40/14 × 40 = 720/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    15/80 = 15 × 7/80 × 7 = 105/560
  4. Subtract the two like fractions:
    720/560 - 105/560 = 720 - 105/560 = 615/560
  5. After reducing the fraction, the answer is 123/112
  6. In mixed form: 111/112

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