Answer:
You simplify
Step-by-step explanation:
15. Answer is 3 , 2 x 3/2 = 3 ( you remove parentheses & multiply the fractions)
17. Answer is -1 , 1-3/2 = -2/2 = -1 ( you convert the mixed numbers to imporper fractions and go on from there )
16. Answer is - 2/3, ( remove parenthesese & cross cancel common factor: 2)
