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Subtract 80/35 from 40/18

1st number: 2 4/18, 2nd number: 2 10/35

40/18 - 80/35 is -4/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 35 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    40/18 = 40 × 35/18 × 35 = 1400/630
  3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
    80/35 = 80 × 18/35 × 18 = 1440/630
  4. Subtract the two like fractions:
    1400/630 - 1440/630 = 1400 - 1440/630 = -40/630
  5. After reducing the fraction, the answer is -4/63

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