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Subtract 48/63 from 21/8

1st number: 2 5/8, 2nd number: 48/63

21/8 - 48/63 is 313/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 8 × 63 = 504,
    21/8 = 21 × 63/8 × 63 = 1323/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    48/63 = 48 × 8/63 × 8 = 384/504
  4. Subtract the two like fractions:
    1323/504 - 384/504 = 1323 - 384/504 = 939/504
  5. After reducing the fraction, the answer is 313/168
  6. In mixed form: 1145/168

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