Answer:
-4 2/21
Step-by-step explanation:
make a common denominator (21)
and subtract
I didn't quite understand your question but I assume you're asking: -2 * 3/7 - 1* 2/3
You can easily type that in the calculator or use PEMDAS
You'll get -32/21 which is the approximately the same as: -1.523810
Hope that I could help you !!