Answers

Subtract 25/42 from 4/5

4/5 - 25/42 is 43/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 5 × 42 = 210,
   4/5 = 4 × 42/5 × 42 = 168/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   25/42 = 25 × 5/42 × 5 = 125/210
4. Subtract the two like fractions:
   168/210 - 125/210 = 168 - 125/210 = 43/210

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