Answers

Subtract 56/63 from 81/15

1^st number: 5 6/15, 2^nd number: 56/63

81/15 - 56/63 is 203/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 15 × 21 = 315,
   81/15 = 81 × 21/15 × 21 = 1701/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   56/63 = 56 × 5/63 × 5 = 280/315
4. Subtract the two like fractions:
   1701/315 - 280/315 = 1701 - 280/315 = 1421/315
5. After reducing the fraction, the answer is 203/45
6. In mixed form: 423/45

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