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Subtract 1/6 from 42/20

1st number: 2 2/20, 2nd number: 1/6

42/20 - 1/6 is 29/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 6 is 60
  2. For the 1st fraction, since 20 × 3 = 60,
    42/20 = 42 × 3/20 × 3 = 126/60
  3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
    1/6 = 1 × 10/6 × 10 = 10/60
  4. Subtract the two fractions:
    126/60 - 10/60 = 126 - 10/60 = 116/60
  5. After reducing the fraction, the answer is 29/15
  6. In mixed form: 114/15

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