Answers

Subtract 81/40 from 80/5

1^st number: 16 0/5, 2^nd number: 2 1/40

80/5 - 81/40 is 559/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 5 × 8 = 40,
   80/5 = 80 × 8/5 × 8 = 640/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   81/40 = 81 × 1/40 × 1 = 81/40
4. Subtract the two like fractions:
   640/40 - 81/40 = 640 - 81/40 = 559/40
5. In mixed form: 1339/40

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