Answers

Subtract 81/30 from 16/12

1^st number: 1 4/12, 2^nd number: 2 21/30

16/12 - 81/30 is -41/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 12 × 5 = 60,
   16/12 = 16 × 5/12 × 5 = 80/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   81/30 = 81 × 2/30 × 2 = 162/60
4. Subtract the two like fractions:
   80/60 - 162/60 = 80 - 162/60 = -82/60
5. After reducing the fraction, the answer is -41/30

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