Answers

Subtract 16/42 from 75/90

75/90 - 16/42 is 19/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 42 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   75/90 = 75 × 7/90 × 7 = 525/630
3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
   16/42 = 16 × 15/42 × 15 = 240/630
4. Subtract the two like fractions:
   525/630 - 240/630 = 525 - 240/630 = 285/630
5. After reducing the fraction, the answer is 19/42

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