Answers

Subtract 35/90 from 6/84

6/84 - 35/90 is -20/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   6/84 = 6 × 15/84 × 15 = 90/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   35/90 = 35 × 14/90 × 14 = 490/1260
4. Subtract the two like fractions:
   90/1260 - 490/1260 = 90 - 490/1260 = -400/1260
5. After reducing the fraction, the answer is -20/63

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