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Subtract 21/10 from 2/63

1st number: 2/63, 2nd number: 2 1/10

2/63 - 21/10 is -1303/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 10 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    2/63 = 2 × 10/63 × 10 = 20/630
  3. Likewise, for the 2nd fraction, since 10 × 63 = 630,
    21/10 = 21 × 63/10 × 63 = 1323/630
  4. Subtract the two like fractions:
    20/630 - 1323/630 = 20 - 1323/630 = -1303/630

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