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Subtract 35/90 from 18/35

18/35 - 35/90 is 79/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 35 × 18 = 630,
    18/35 = 18 × 18/35 × 18 = 324/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    35/90 = 35 × 7/90 × 7 = 245/630
  4. Subtract the two like fractions:
    324/630 - 245/630 = 324 - 245/630 = 79/630

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