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Subtract 20/56 from 42/5

1st number: 8 2/5, 2nd number: 20/56

42/5 - 20/56 is 563/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280
  2. For the 1st fraction, since 5 × 56 = 280,
    42/5 = 42 × 56/5 × 56 = 2352/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    20/56 = 20 × 5/56 × 5 = 100/280
  4. Subtract the two fractions:
    2352/280 - 100/280 = 2352 - 100/280 = 2252/280
  5. After reducing the fraction, the answer is 563/70
  6. In mixed form: 83/70

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