Answers

Subtract 35/12 from 8/21

1^st number: 8/21, 2^nd number: 2 11/12

8/21 - 35/12 is -71/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   8/21 = 8 × 4/21 × 4 = 32/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   35/12 = 35 × 7/12 × 7 = 245/84
4. Subtract the two like fractions:
   32/84 - 245/84 = 32 - 245/84 = -213/84
5. After reducing the fraction, the answer is -71/28

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