Fractions and Comparing
Give an example of a fraction
1/2
How do you add fractions with the same denominator?
Just add the numerators
How do you subtract fractions with the same denominator?
You just subtract the numerators and leave the denominator
How do you multiply the fractions?
Multiply the numerators straight across and then multiply the denominators straight across?
How do you divide fractions?
Take the reciprocal of the second fractions and multiply it by the first
Turn to a proper fraction:
7/2
3 1/2
What part of the fraction is a numerator and what part is the denominator?
The top part is the numerator, the bottom part is the denominator
3/9 + 2/9
5/9
Subtract the fractions 3/5 - 1/5
2/5
Multiply the following:
3 x 1/2
3/2 or 1 1/2
Write the reciprocal of:
18/27
27/18
Turn to a proper fraction:
13/4
3 1/4
>, <, or =
2/3 and 5/6
<
5/12 + 4/12
9/12 or 3/4
Subtract the fractions 5/6 - 3/12
7/12
Multiply the fractions:
6 x 3/4
18/4 or 4 2/4 or 4 1/4
Divide the following fractions:
1/5 divided by 1/4
4/5
Turn to an improper fraction:
5 2/5
27/5
>, <, or =
7/12 and 11/20
>
Add the fractions:
1/6 + 2/5
17/30
Subtract the fractions 7/15 - 1/5
4/15
Multiply the fractions:
7 x 2/3
14/3 or 4 2/3
Divide the following fractions:
3/7 divided by 6/14
1
Turn to an improper fraction:
5 1/2
11/2
Which fraction is larger? 1/2 or 1/4
1/2
4/10 + 2/5 =
8/10
6 4/9 - 5 2/9
1 2/9
Multiply the fractions: leave as an improper fraction
12 x 7/9
84/9 or 9 3/9 or 9 1/3
Divide the following fractions:
57/98 divided by 1
57/98
Turn to a proper fraction:
66/7
9 3/7