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Subtract 21/6 from 10/45

1st number: 10/45, 2nd number: 3 3/6

10/45 - 21/6 is -59/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 6 is 90
  2. For the 1st fraction, since 45 × 2 = 90,
    10/45 = 10 × 2/45 × 2 = 20/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    21/6 = 21 × 15/6 × 15 = 315/90
  4. Subtract the two fractions:
    20/90 - 315/90 = 20 - 315/90 = -295/90
  5. After reducing the fraction, the answer is -59/18

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