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Subtract 35/6 from 21/45

1st number: 21/45, 2nd number: 5 5/6

21/45 - 35/6 is -161/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 6 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    21/45 = 21 × 2/45 × 2 = 42/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    35/6 = 35 × 15/6 × 15 = 525/90
  4. Subtract the two like fractions:
    42/90 - 525/90 = 42 - 525/90 = -483/90
  5. After reducing the fraction, the answer is -161/30

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