Answers

Subtract 6/10 from 42/75

42/75 - 6/10 is -1/25.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 10 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 75 × 2 = 150,
   42/75 = 42 × 2/75 × 2 = 84/150
3. Likewise, for the 2nd fraction, since 10 × 15 = 150,
   6/10 = 6 × 15/10 × 15 = 90/150
4. Subtract the two like fractions:
   84/150 - 90/150 = 84 - 90/150 = -6/150
5. After reducing the fraction, the answer is -1/25

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