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Subtract 45/80 from 90/35

1st number: 2 20/35, 2nd number: 45/80

90/35 - 45/80 is 225/112.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 35 × 16 = 560,
    90/35 = 90 × 16/35 × 16 = 1440/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    45/80 = 45 × 7/80 × 7 = 315/560
  4. Subtract the two like fractions:
    1440/560 - 315/560 = 1440 - 315/560 = 1125/560
  5. After reducing the fraction, the answer is 225/112
  6. In mixed form: 21/112

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