Answers

Subtract 10/49 from 63/81

63/81 - 10/49 is 253/441.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 49 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 81 × 49 = 3969,
   63/81 = 63 × 49/81 × 49 = 3087/3969
3. Likewise, for the 2nd fraction, since 49 × 81 = 3969,
   10/49 = 10 × 81/49 × 81 = 810/3969
4. Subtract the two like fractions:
   3087/3969 - 810/3969 = 3087 - 810/3969 = 2277/3969
5. After reducing the fraction, the answer is 253/441

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