Answers

Subtract 9/10 from 81/5

1^st number: 16 1/5, 2^nd number: 9/10

81/5 - 9/10 is 153/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 10 is 10
   
   Next, find the equivalent fraction of both fractional numbers with denominator 10
2. For the 1st fraction, since 5 × 2 = 10,
   81/5 = 81 × 2/5 × 2 = 162/10
3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
   9/10 = 9 × 1/10 × 1 = 9/10
4. Subtract the two like fractions:
   162/10 - 9/10 = 162 - 9/10 = 153/10
5. In mixed form: 153/10

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