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Subtract 42/32 from 63/20

1st number: 3 3/20, 2nd number: 1 10/32

63/20 - 42/32 is 147/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 32 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 20 × 8 = 160,
    63/20 = 63 × 8/20 × 8 = 504/160
  3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
    42/32 = 42 × 5/32 × 5 = 210/160
  4. Subtract the two like fractions:
    504/160 - 210/160 = 504 - 210/160 = 294/160
  5. After reducing the fraction, the answer is 147/80
  6. In mixed form: 167/80

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