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Subtract 42/16 from 30/4

1st number: 7 2/4, 2nd number: 2 10/16

30/4 - 42/16 is 39/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 16 is 16
  2. For the 1st fraction, since 4 × 4 = 16,
    30/4 = 30 × 4/4 × 4 = 120/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    42/16 = 42 × 1/16 × 1 = 42/16
  4. Subtract the two fractions:
    120/16 - 42/16 = 120 - 42/16 = 78/16
  5. After reducing the fraction, the answer is 39/8
  6. In mixed form: 47/8

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