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Subtract 20/63 from 1/10

1/10 - 20/63 is -137/630.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 10 × 63 = 630,
    1/10 = 1 × 63/10 × 63 = 63/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    20/63 = 20 × 10/63 × 10 = 200/630
  4. Subtract the two like fractions:
    63/630 - 200/630 = 63 - 200/630 = -137/630

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