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Subtract 21/7 from 7/35

1st number: 7/35, 2nd number: 3 0/7

7/35 - 21/7 is -14/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 7 is 35
  2. For the 1st fraction, since 35 × 1 = 35,
    7/35 = 7 × 1/35 × 1 = 7/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    21/7 = 21 × 5/7 × 5 = 105/35
  4. Subtract the two fractions:
    7/35 - 105/35 = 7 - 105/35 = -98/35
  5. After reducing the fraction, the answer is -14/5

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