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Subtract 30/63 from 7/10

7/10 - 30/63 is 47/210.

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,
    7/10 = 7 × 63/10 × 63 = 441/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    30/63 = 30 × 10/63 × 10 = 300/630
  4. Subtract the two like fractions:
    441/630 - 300/630 = 441 - 300/630 = 141/630
  5. After reducing the fraction, the answer is 47/210

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