Answer: 8/5 or 1.6
Step-by-step explanation:
1) 5 1/2 or 11/2 is equal to 55/10. 2*5 is 10 as the denominator. 11*5 is 55 as the numerator.
2) Make 3 9/10 into improper fraction to get 39/10.
3) Subtract: 55/10 - 39/10 = 16/10.
4) Simplify: 16/10 simplifies to 8/5 or as a decimal 1.6.
