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Subtract 20/56 from 90/50

1st number: 1 40/50, 2nd number: 20/56

90/50 - 20/56 is 101/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 56 is 1400
  2. For the 1st fraction, since 50 × 28 = 1400,
    90/50 = 90 × 28/50 × 28 = 2520/1400
  3. Likewise, for the 2nd fraction, since 56 × 25 = 1400,
    20/56 = 20 × 25/56 × 25 = 500/1400
  4. Subtract the two fractions:
    2520/1400 - 500/1400 = 2520 - 500/1400 = 2020/1400
  5. After reducing the fraction, the answer is 101/70
  6. In mixed form: 131/70

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