Answers

Subtract 7/63 from 2/28

2/28 - 7/63 is -5/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   2/28 = 2 × 9/28 × 9 = 18/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   7/63 = 7 × 4/63 × 4 = 28/252
4. Subtract the two like fractions:
   18/252 - 28/252 = 18 - 28/252 = -10/252
5. After reducing the fraction, the answer is -5/126

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