Answers

Subtract 21/7 from 8/6

1^st number: 1 2/6, 2^nd number: 3 0/7

8/6 - 21/7 is -5/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 7 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 6 × 7 = 42,
   8/6 = 8 × 7/6 × 7 = 56/42
3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
   21/7 = 21 × 6/7 × 6 = 126/42
4. Subtract the two like fractions:
   56/42 - 126/42 = 56 - 126/42 = -70/42
5. After reducing the fraction, the answer is -5/3

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