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Subtract 24/18 from 27/70

1st number: 27/70, 2nd number: 1 6/18

27/70 - 24/18 is -199/210.

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,
    24/18 = 24 × 35/18 × 35 = 840/630
  4. Subtract the two like fractions:
    243/630 - 840/630 = 243 - 840/630 = -597/630
  5. After reducing the fraction, the answer is -199/210

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