Answer:
17/10 or 1.7
Step-by-step explanation:
3 1/2 and 1 4/5
=7/2-9/5
=17/10
=1.7 is the answer........................
1 7/10
Step-by-step explanation:
In decimal, ...
... 3.5 - 1.8 = 1.7 . . . . . 1 7/10
As mixed numbers, ...
... 3 1/2 - 1 4/5 = 3 5/10 - 1 8/10 = (3-1) +(5/10 -8/10)
... = 2 -3/10 = 1 7/10