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Subtract 45/35 from 45/80

1st number: 45/80, 2nd number: 1 10/35

45/80 - 45/35 is -81/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 35 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    45/80 = 45 × 7/80 × 7 = 315/560
  3. Likewise, for the 2nd fraction, since 35 × 16 = 560,
    45/35 = 45 × 16/35 × 16 = 720/560
  4. Subtract the two like fractions:
    315/560 - 720/560 = 315 - 720/560 = -405/560
  5. After reducing the fraction, the answer is -81/112

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