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Subtract 50/18 from 27/70

1st number: 27/70, 2nd number: 2 14/18

27/70 - 50/18 is -1507/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 18 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    27/70 = 27 × 9/70 × 9 = 243/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    50/18 = 50 × 35/18 × 35 = 1750/630
  4. Subtract the two like fractions:
    243/630 - 1750/630 = 243 - 1750/630 = -1507/630

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