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Subtract 48/12 from 21/10

1st number: 2 1/10, 2nd number: 4 0/12

21/10 - 48/12 is -19/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 12 is 60
  2. For the 1st fraction, since 10 × 6 = 60,
    21/10 = 21 × 6/10 × 6 = 126/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    48/12 = 48 × 5/12 × 5 = 240/60
  4. Subtract the two fractions:
    126/60 - 240/60 = 126 - 240/60 = -114/60
  5. After reducing the fraction, the answer is -19/10

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