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Subtract 2/20 from 42/16

1st number: 2 10/16, 2nd number: 2/20

42/16 - 2/20 is 101/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 20 is 80
  2. For the 1st fraction, since 16 × 5 = 80,
    42/16 = 42 × 5/16 × 5 = 210/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    2/20 = 2 × 4/20 × 4 = 8/80
  4. Subtract the two fractions:
    210/80 - 8/80 = 210 - 8/80 = 202/80
  5. After reducing the fraction, the answer is 101/40
  6. In mixed form: 221/40

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