Answers

Subtract 8/84 from 2/20

2/20 - 8/84 is 1/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   2/20 = 2 × 21/20 × 21 = 42/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   8/84 = 8 × 5/84 × 5 = 40/420
4. Subtract the two like fractions:
   42/420 - 40/420 = 42 - 40/420 = 2/420
5. After reducing the fraction, the answer is 1/210

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