Answers

Subtract 3/80 from 81/5

1^st number: 16 1/5, 2^nd number: 3/80

81/5 - 3/80 is 1293/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   81/5 = 81 × 16/5 × 16 = 1296/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   3/80 = 3 × 1/80 × 1 = 3/80
4. Subtract the two like fractions:
   1296/80 - 3/80 = 1296 - 3/80 = 1293/80
5. In mixed form: 1613/80

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