Answers

Subtract 8/90 from 81/15

1^st number: 5 6/15, 2^nd number: 8/90

81/15 - 8/90 is 239/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 15 × 6 = 90,
   81/15 = 81 × 6/15 × 6 = 486/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   8/90 = 8 × 1/90 × 1 = 8/90
4. Subtract the two like fractions:
   486/90 - 8/90 = 486 - 8/90 = 478/90
5. After reducing the fraction, the answer is 239/45
6. In mixed form: 514/45

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