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Subtract 48/42 from 21/14

1st number: 1 7/14, 2nd number: 1 6/42

21/14 - 48/42 is 5/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 42 is 42
  2. For the 1st fraction, since 14 × 3 = 42,
    21/14 = 21 × 3/14 × 3 = 63/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    48/42 = 48 × 1/42 × 1 = 48/42
  4. Subtract the two fractions:
    63/42 - 48/42 = 63 - 48/42 = 15/42
  5. After reducing the fraction, the answer is 5/14

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