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Subtract 42/16 from 1/30

1st number: 1/30, 2nd number: 2 10/16

1/30 - 42/16 is -311/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 16 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 30 × 8 = 240,
    1/30 = 1 × 8/30 × 8 = 8/240
  3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
    42/16 = 42 × 15/16 × 15 = 630/240
  4. Subtract the two like fractions:
    8/240 - 630/240 = 8 - 630/240 = -622/240
  5. After reducing the fraction, the answer is -311/120

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