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Subtract 40/7 from 35/72

1st number: 35/72, 2nd number: 5 5/7

35/72 - 40/7 is -2635/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 7 is 504
  2. For the 1st fraction, since 72 × 7 = 504,
    35/72 = 35 × 7/72 × 7 = 245/504
  3. Likewise, for the 2nd fraction, since 7 × 72 = 504,
    40/7 = 40 × 72/7 × 72 = 2880/504
  4. Subtract the two fractions:
    245/504 - 2880/504 = 245 - 2880/504 = -2635/504

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