Answers

Subtract 90/84 from 24/54

1^st number: 24/54, 2^nd number: 1 6/84

24/54 - 90/84 is -79/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 84 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 54 × 14 = 756,
   24/54 = 24 × 14/54 × 14 = 336/756
3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
   90/84 = 90 × 9/84 × 9 = 810/756
4. Subtract the two like fractions:
   336/756 - 810/756 = 336 - 810/756 = -474/756
5. After reducing the fraction, the answer is -79/126

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