Answers

Subtract 30/6 from 10/21

1^st number: 10/21, 2^nd number: 5 0/6

10/21 - 30/6 is -95/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 6 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   10/21 = 10 × 2/21 × 2 = 20/42
3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
   30/6 = 30 × 7/6 × 7 = 210/42
4. Subtract the two like fractions:
   20/42 - 210/42 = 20 - 210/42 = -190/42
5. After reducing the fraction, the answer is -95/21

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