Johnetta was simplifying seven over nine divided by three over eight. and her work is shown below. Identify where she made her error.

Original problem: 7/9 divided by 3/8.

Step 1: 7/9 x 3/8.

Step 2: 7 x 3/9 x 8.

Step 3: 21/72.

Step 4: 7/24.

Question

Mathematics

Devon Wolf

8 March, 17:53

Johnetta was simplifying seven over nine divided by three over eight. and her work is shown below. Identify where she made her error.

Original problem: 7/9 divided by 3/8.

Step 1: 7/9 x 3/8.

Step 2: 7 x 3/9 x 8.

Step 3: 21/72.

Step 4: 7/24.

+2

Answers (1)

Know the Answer?

Nayeli Wong · Answer 1

Johnetta made her error in the first step:

Step 1: 7/9 x 8/3

(When you divide a fraction by a fraction, you take the reciprocal of the second fraction.)

The final simplification would look like 56/27

Johnetta was simplifying seven over nine divided by three over eight. and her work is shown below. Identify where she made her error.Original problem: 7/9 divided by 3/8.Step 1: 7/9 x 3/8.Step 2: 7 x 3/9 x 8.Step 3: 21/72.Step 4: 7/24.

Johnetta was simplifying seven over nine divided by three over eight. and her work is shown below. Identify where she made her error.

Original problem: 7/9 divided by 3/8.

Step 1: 7/9 x 3/8.

Step 2: 7 x 3/9 x 8.

Step 3: 21/72.

Step 4: 7/24.