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Subtract 21/54 from 60/63

60/63 - 21/54 is 71/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 63 × 6 = 378,
    60/63 = 60 × 6/63 × 6 = 360/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    21/54 = 21 × 7/54 × 7 = 147/378
  4. Subtract the two like fractions:
    360/378 - 147/378 = 360 - 147/378 = 213/378
  5. After reducing the fraction, the answer is 71/126

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