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Subtract 98/80 from 32/28

1st number: 1 4/28, 2nd number: 1 18/80

32/28 - 98/80 is -23/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 28 × 20 = 560,
    32/28 = 32 × 20/28 × 20 = 640/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    98/80 = 98 × 7/80 × 7 = 686/560
  4. Subtract the two like fractions:
    640/560 - 686/560 = 640 - 686/560 = -46/560
  5. After reducing the fraction, the answer is -23/280

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