Answers

Subtract 2/84 from 49/90

49/90 - 2/84 is 164/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   49/90 = 49 × 14/90 × 14 = 686/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   2/84 = 2 × 15/84 × 15 = 30/1260
4. Subtract the two like fractions:
   686/1260 - 30/1260 = 686 - 30/1260 = 656/1260
5. After reducing the fraction, the answer is 164/315

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