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Subtract 25/18 from 40/35

1st number: 1 5/35, 2nd number: 1 7/18

40/35 - 25/18 is -31/126.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 35 × 18 = 630,
    40/35 = 40 × 18/35 × 18 = 720/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    25/18 = 25 × 35/18 × 35 = 875/630
  4. Subtract the two like fractions:
    720/630 - 875/630 = 720 - 875/630 = -155/630
  5. After reducing the fraction, the answer is -31/126

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