Answers

Subtract 81/90 from 16/8

1^st number: 2 0/8, 2^nd number: 81/90

16/8 - 81/90 is 11/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 8 × 45 = 360,
   16/8 = 16 × 45/8 × 45 = 720/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   81/90 = 81 × 4/90 × 4 = 324/360
4. Subtract the two like fractions:
   720/360 - 324/360 = 720 - 324/360 = 396/360
5. After reducing the fraction, the answer is 11/10
6. In mixed form: 11/10

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