Answers

Subtract 5/90 from 25/42

25/42 - 5/90 is 34/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 42 × 15 = 630,
   25/42 = 25 × 15/42 × 15 = 375/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   5/90 = 5 × 7/90 × 7 = 35/630
4. Subtract the two like fractions:
   375/630 - 35/630 = 375 - 35/630 = 340/630
5. After reducing the fraction, the answer is 34/63

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