Question

Which is NOT a step you preform to divide -2 1/8 ÷ 6 4/5. Select all that apply.

A) Rewrite the mixed numbers as a fraction
B)Divide 8 by 4
C)Multiply by the multiplicative inverse of 34/5
D) Multiply be the multiplicative inverse 17/8
E)Multiply 8 and 34

Answer 1

The NOT step you perform is to divide 8 by 4. The correct steps to divide -2 1/8 ÷ 6 4/5 are: rewrite the mixed numbers as fractions, multiply by the multiplicative inverse, and simplify the result.

Step-by-step explanation:

The NOT a step you perform to divide -2 1/8 ÷ 6 4/5 is B) Divide 8 by 4. Dividing by 8 is not part of the division process in this particular problem. Here are the steps you would follow to divide -2 1/8 ÷ 6 4/5:

1. Rewrite the mixed numbers as fractions: -2 1/8 = -17/8 and 6 4/5 = 34/5
2. Multiply by the multiplicative inverse of 34/5: -17/8 * (5/34) = -85/272
3. Simplify the fraction if possible

So the answer to -2 1/8 ÷ 6 4/5 is -85/272 or approximately -0.313.