Answer:
See Step by step explanation
Step-by-step explanation:

Answer:
=
8
/1
5
Step-by-step explanation:
Answer:
4/10=1
Step-by-step explanation:
Divide both fractions by 10 and you get 4/10=1
A suitable calculator* can do this easily.
61°38'45" = (61 +(38 +45/60)/60)° ≈ 61.65°
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I like the RealCalc app for Android, but many graphing calculators also will do this conversion. Of course, you can simply evaluate the expression as above.