Answers

Subtract 63/3 from 90/14

1^st number: 6 6/14, 2^nd number: 21 0/3

90/14 - 63/3 is -102/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 3 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 14 × 3 = 42,
   90/14 = 90 × 3/14 × 3 = 270/42
3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
   63/3 = 63 × 14/3 × 14 = 882/42
4. Subtract the two like fractions:
   270/42 - 882/42 = 270 - 882/42 = -612/42
5. After reducing the fraction, the answer is -102/7

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