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Subtract 42/16 from 7/9

1st number: 7/9, 2nd number: 2 10/16

7/9 - 42/16 is -133/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 16 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 9 × 16 = 144,
    7/9 = 7 × 16/9 × 16 = 112/144
  3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
    42/16 = 42 × 9/16 × 9 = 378/144
  4. Subtract the two like fractions:
    112/144 - 378/144 = 112 - 378/144 = -266/144
  5. After reducing the fraction, the answer is -133/72

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