Answers

Subtract 96/90 from 9/28

1^st number: 9/28, 2^nd number: 1 6/90

9/28 - 96/90 is -313/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   9/28 = 9 × 45/28 × 45 = 405/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   96/90 = 96 × 14/90 × 14 = 1344/1260
4. Subtract the two like fractions:
   405/1260 - 1344/1260 = 405 - 1344/1260 = -939/1260
5. After reducing the fraction, the answer is -313/420

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