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Subtract 14/40 from 15/7

1st number: 2 1/7, 2nd number: 14/40

15/7 - 14/40 is 251/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    15/7 = 15 × 40/7 × 40 = 600/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    14/40 = 14 × 7/40 × 7 = 98/280
  4. Subtract the two like fractions:
    600/280 - 98/280 = 600 - 98/280 = 502/280
  5. After reducing the fraction, the answer is 251/140
  6. In mixed form: 1111/140

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