Answers

Subtract 7/42 from 21/6

1^st number: 3 3/6, 2^nd number: 7/42

21/6 - 7/42 is 10/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 42 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 6 × 7 = 42,
   21/6 = 21 × 7/6 × 7 = 147/42
3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
   7/42 = 7 × 1/42 × 1 = 7/42
4. Subtract the two like fractions:
   147/42 - 7/42 = 147 - 7/42 = 140/42
5. After reducing the fraction, the answer is 10/3
6. In mixed form: 31/3

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