Answers

Subtract 54/63 from 81/25

1^st number: 3 6/25, 2^nd number: 54/63

81/25 - 54/63 is 417/175.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 63 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 25 × 63 = 1575,
   81/25 = 81 × 63/25 × 63 = 5103/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   54/63 = 54 × 25/63 × 25 = 1350/1575
4. Subtract the two like fractions:
   5103/1575 - 1350/1575 = 5103 - 1350/1575 = 3753/1575
5. After reducing the fraction, the answer is 417/175
6. In mixed form: 267/175

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