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Subtract 42/16 from 30/10

1st number: 3 0/10, 2nd number: 2 10/16

30/10 - 42/16 is 3/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 16 is 80
  2. For the 1st fraction, since 10 × 8 = 80,
    30/10 = 30 × 8/10 × 8 = 240/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    42/16 = 42 × 5/16 × 5 = 210/80
  4. Subtract the two fractions:
    240/80 - 210/80 = 240 - 210/80 = 30/80
  5. After reducing the fraction, the answer is 3/8

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