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We add 25/8 yards and 1 3/4 yards together.
First we convert 1 3/4 to an imp. fraction 7/4.
In order to add fractions, they must have the same common denominator. So we multiply both sides of the fraction 7/4 by 2 to get 14/8. Now we can add 25/8 yards and 14/8 yards together to get 39/8 yards.
Answer:

Step-by-step explanation:



Answer:
a=x^(25×-6)=x^(-150)
b=x^(-3×48)=x^(-144)
a/b=x^(-150-(-144))=x^(-6)