Answers

Subtract 63/20 from 14/84

1^st number: 14/84, 2^nd number: 3 3/20

14/84 - 63/20 is -179/60.

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,
   14/84 = 14 × 5/84 × 5 = 70/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   63/20 = 63 × 21/20 × 21 = 1323/420
4. Subtract the two like fractions:
   70/420 - 1323/420 = 70 - 1323/420 = -1253/420
5. After reducing the fraction, the answer is -179/60

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