Answers

Subtract 40/9 from 81/16

1^st number: 5 1/16, 2^nd number: 4 4/9

81/16 - 40/9 is 89/144.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 9 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 16 × 9 = 144,
   81/16 = 81 × 9/16 × 9 = 729/144
3. Likewise, for the 2nd fraction, since 9 × 16 = 144,
   40/9 = 40 × 16/9 × 16 = 640/144
4. Subtract the two like fractions:
   729/144 - 640/144 = 729 - 640/144 = 89/144

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