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Subtract 30/4 from 7/10

1st number: 7/10, 2nd number: 7 2/4

7/10 - 30/4 is -34/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 4 is 20
  2. For the 1st fraction, since 10 × 2 = 20,
    7/10 = 7 × 2/10 × 2 = 14/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    30/4 = 30 × 5/4 × 5 = 150/20
  4. Subtract the two fractions:
    14/20 - 150/20 = 14 - 150/20 = -136/20
  5. After reducing the fraction, the answer is -34/5

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