Vocabulary
The top number of a fraction
What is Numerator?
1/2 X 1/3
What is 2/6 or 1/3
1/2 divided by 1/6
What is 3
5 X 2/5
What is 2
3 divided by 2 1/2
What is 1 1/5
The bottom number of a fraction
What is Denominator?
2/3 X 2/5
What is 4/15
3/4 divided by 2/3
What is 9/8
1 1/2 X 1 2/3
What is 2 1/2
1 1/2 divided by 2 2/3
What is 9/16
Flipping the numerator and denominator, also known as the multiplicative inverse of the number
What is the Reciprocal?
3/8 X 1/4
What is 3/32
3/6 divided by 3/4
What is 2/3
3 1/2 x 2 1/4
What is 6 1/8
3 1/4 divided by 2 3/4
What is 1 2/11
Common fractions, like 1/2 or 1/4, you can use to estimate the value of other fractions.
What is Benchmark Fractions?
10/3 X 2/3
What is 20/9
9/10 divided by 5/6
What is 27/25
3 1/2 x 2 1/2
What is 8 3/4
6 2/3 divided by 2 3/6
What is 2 2/3
Name the four steps to multiplying mixed numbers
1) convert mixed numbers to improper fractions
2) multiply across
3) simplify
4) convert improper fractions to mixed numbers
2/9 X 4/6
What is 8/54 or 4/27
10/12 divided by 8/15
What is 25/16
2 2/3 x 4 2/5
What is 11 11/15
5 1/5 divided by 4 2/7
What is 1 16/75