Answer:
less
Step-by-step explanation:
5/10 is equal to one half, but 4/10 is less than one half
Sorry it's a bit messy. but I hope you understand and it will help
Answer:

Step-by-step explanation:
Combining like-terms gives us 
Hope this helped!
First round
137,638=100,000
52,091=50,000
Then add to get the estamate
100,000
+
50,000
150,000
Then to get the real answer add
1
137,638
+
52091
189,729