Answers

Subtract 75/90 from 8/5

1^st number: 1 3/5, 2^nd number: 75/90

8/5 - 75/90 is 23/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 5 × 18 = 90,
   8/5 = 8 × 18/5 × 18 = 144/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   75/90 = 75 × 1/90 × 1 = 75/90
4. Subtract the two like fractions:
   144/90 - 75/90 = 144 - 75/90 = 69/90
5. After reducing the fraction, the answer is 23/30

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