Answers

Subtract 10/42 from 3/10

3/10 - 10/42 is 13/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 10 × 21 = 210,
   3/10 = 3 × 21/10 × 21 = 63/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   10/42 = 10 × 5/42 × 5 = 50/210
4. Subtract the two like fractions:
   63/210 - 50/210 = 63 - 50/210 = 13/210

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