Answers

Subtract 5/20 from 63/84

63/84 - 5/20 is 1/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 20 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   63/84 = 63 × 5/84 × 5 = 315/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   5/20 = 5 × 21/20 × 21 = 105/420
4. Subtract the two like fractions:
   315/420 - 105/420 = 315 - 105/420 = 210/420
5. After reducing the fraction, the answer is 1/2

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