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Subtract 4/20 from 42/32

1st number: 1 10/32, 2nd number: 4/20

42/32 - 4/20 is 89/80.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 32 × 5 = 160,
    42/32 = 42 × 5/32 × 5 = 210/160
  3. Likewise, for the 2nd fraction, since 20 × 8 = 160,
    4/20 = 4 × 8/20 × 8 = 32/160
  4. Subtract the two like fractions:
    210/160 - 32/160 = 210 - 32/160 = 178/160
  5. After reducing the fraction, the answer is 89/80
  6. In mixed form: 19/80

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