Answers

Subtract 21/63 from 7/14

7/14 - 21/63 is 1/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 14 × 9 = 126,
   7/14 = 7 × 9/14 × 9 = 63/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   21/63 = 21 × 2/63 × 2 = 42/126
4. Subtract the two like fractions:
   63/126 - 42/126 = 63 - 42/126 = 21/126
5. After reducing the fraction, the answer is 1/6

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