Answers

Subtract 90/49 from 8/84

1^st number: 8/84, 2^nd number: 1 41/49

8/84 - 90/49 is -256/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 49 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 84 × 7 = 588,
   8/84 = 8 × 7/84 × 7 = 56/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   90/49 = 90 × 12/49 × 12 = 1080/588
4. Subtract the two like fractions:
   56/588 - 1080/588 = 56 - 1080/588 = -1024/588
5. After reducing the fraction, the answer is -256/147

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