Answers

Subtract 3/9 from 28/63

28/63 - 3/9 is 1/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   28/63 = 28 × 1/63 × 1 = 28/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   3/9 = 3 × 7/9 × 7 = 21/63
4. Subtract the two like fractions:
   28/63 - 21/63 = 28 - 21/63 = 7/63
5. After reducing the fraction, the answer is 1/9

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