Answers

Subtract 49/63 from 81/15

1^st number: 5 6/15, 2^nd number: 49/63

81/15 - 49/63 is 208/45.

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,
   49/63 = 49 × 5/63 × 5 = 245/315
4. Subtract the two like fractions:
   1701/315 - 245/315 = 1701 - 245/315 = 1456/315
5. After reducing the fraction, the answer is 208/45
6. In mixed form: 428/45

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