Answer:
The Lowest Common Denominator is 30 9/10 = 27/30 5/6 = 25/30
7/8 can be converted to .875 because 1/8 is .125 and .125*7=.875. Add -12 to it so the answer is -12.875
Answer:
A. the rational number system is closed under addition, but not multiplication
Step-by-step explanation:
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