How do you subtract #12\frac { 6} { 7} - 8\frac { 3} { 7}#?

Answer 1

Eva Adamson

See a solution process below:

We can rewrite this as:

#(12 + 6/7) - (8 + 3/7) =>#

#12 + 6/7 - 8 - 3/7 =>#

#12 - 8 + 6/7 - 3/7 =>#

#(12 - 8) + (6/7 - 3/7) =>#

#4 + (6 - 3)/7 =>#

#4 + 3/7 =>#

#4 3/7#

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Answer 2

Hazel Anglin

To subtract mixed numbers like (12\frac{6}{7} - 8\frac{3}{7}), first, subtract the whole numbers: (12 - 8 = 4). Then, subtract the fractions: (\frac{6}{7} - \frac{3}{7} = \frac{3}{7}). Therefore, the result is (4\frac{3}{7}).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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