Answers

Subtract 75/80 from 18/5

1^st number: 3 3/5, 2^nd number: 75/80

18/5 - 75/80 is 213/80.

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,
   18/5 = 18 × 16/5 × 16 = 288/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   75/80 = 75 × 1/80 × 1 = 75/80
4. Subtract the two like fractions:
   288/80 - 75/80 = 288 - 75/80 = 213/80
5. In mixed form: 253/80

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