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We rewrite the innermost parentheses in fraction form:
We convert the parentheses into a multiplication exercise through inverting the fraction:
We add the 7 to the numerator for the multiplication exercise:
We convert the exercise into a multiplication by inverting the fraction:
We add the 10 to the numerator for the multiplication exercise:
We break down the 10 into a simpler multiplication exercise:
We simplify the 2 in the numerator and denominator:
We convert the fraction's numerator into a sum exercise:
\( 100-(5+55)= \)
Order of operations requires you to work from inside out! The expression in the denominator must be solved before dividing 10 by the result.
Remember: dividing by a fraction is the same as multiplying by its reciprocal. So
Divide the numerator by the denominator! For : 45 ÷ 7 = 6 remainder 3, so the answer is
You can simplify anytime during the problem! In this case, we simplified by canceling the 2s, making the calculation easier.
For most problems, mixed numbers are preferred when the answer is greater than 1. Mixed numbers like are easier to understand than
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