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Subtract 20/7 from 25/4

1st number: 6 1/4, 2nd number: 2 6/7

25/4 - 20/7 is 95/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28
  2. For the 1st fraction, since 4 × 7 = 28,
    25/4 = 25 × 7/4 × 7 = 175/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    20/7 = 20 × 4/7 × 4 = 80/28
  4. Subtract the two fractions:
    175/28 - 80/28 = 175 - 80/28 = 95/28
  5. In mixed form: 311/28

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