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Subtract 54/9 from 48/21

1st number: 2 6/21, 2nd number: 6 0/9

48/21 - 54/9 is -26/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 21 × 3 = 63,
    48/21 = 48 × 3/21 × 3 = 144/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    54/9 = 54 × 7/9 × 7 = 378/63
  4. Subtract the two like fractions:
    144/63 - 378/63 = 144 - 378/63 = -234/63
  5. After reducing the fraction, the answer is -26/7

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