Answers

Subtract 8/84 from 90/75

1^st number: 1 15/75, 2^nd number: 8/84

90/75 - 8/84 is 116/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   90/75 = 90 × 28/75 × 28 = 2520/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   8/84 = 8 × 25/84 × 25 = 200/2100
4. Subtract the two like fractions:
   2520/2100 - 200/2100 = 2520 - 200/2100 = 2320/2100
5. After reducing the fraction, the answer is 116/105
6. In mixed form: 111/105

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