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Subtract 42/80 from 56/14

1st number: 4 0/14, 2nd number: 42/80

56/14 - 42/80 is 139/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 80 is 560
  2. For the 1st fraction, since 14 × 40 = 560,
    56/14 = 56 × 40/14 × 40 = 2240/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    42/80 = 42 × 7/80 × 7 = 294/560
  4. Subtract the two fractions:
    2240/560 - 294/560 = 2240 - 294/560 = 1946/560
  5. After reducing the fraction, the answer is 139/40
  6. In mixed form: 319/40

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