For (a), 105 can be written as the product of two fractions, one of which is equal to 1. The expression would be:
105 = (105/1) × (1/1)
This expression can be simplified to:
105 = 105
For (b), the expression can be written as the product of two fractions, one of which is equal to 1. The expression would be:
5/2 = (5/2) × (1/1)
This expression can be simplified to:
5/2
For (c), the expression can be written as the product of two fractions, one of which is equal to 1. The expression would be:
18 = (18/1) × (1/1)
This expression can be simplified to:
18 = 18