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Subtract 7/18 from 42/4

1st number: 10 2/4, 2nd number: 7/18

42/4 - 7/18 is 91/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 18 is 36
  2. For the 1st fraction, since 4 × 9 = 36,
    42/4 = 42 × 9/4 × 9 = 378/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    7/18 = 7 × 2/18 × 2 = 14/36
  4. Subtract the two fractions:
    378/36 - 14/36 = 378 - 14/36 = 364/36
  5. After reducing the fraction, the answer is 91/9
  6. In mixed form: 101/9

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