Answers

Subtract 15/70 from 10/42

10/42 - 15/70 is 1/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   10/42 = 10 × 5/42 × 5 = 50/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   15/70 = 15 × 3/70 × 3 = 45/210
4. Subtract the two like fractions:
   50/210 - 45/210 = 50 - 45/210 = 5/210
5. After reducing the fraction, the answer is 1/42

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