Worked examples
Two examples
Example 1
34 ÷ 12 =
- Dividing by a fraction is multiplying by its reciprocal: 34 × 21.
- Multiply across: 64 = 32.
Answer: 1 12
Example 2
25 ÷ 45 =
- Keep 25, change ÷ to × , flip 45 to 54.
- 25 × 54 = 1020 = 12.
Answer: 12
Where this is taught: Quiz 12: Dividing Fractions, “The rule, and its name”
The drill
Ten problems
This drill also has challenge problems. They use the same skill, set up the way the GED test sometimes sets up a problem, so that it looks new at first.
How many:
Type a fraction with a slash, like 3/4, and a mixed number with a space, like 2 1/4. Give answers in simplest form. Then press Check my answers at the bottom.Write each answer on the line, in simplest form. The answer key, with the reasoning, is on the last page.