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?
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
How do you add fractions without the same denominator?
Find a common denominator and make equivalent fractions.
Subtract the fractions 3/5 - 1/5
2/5
Multiply the following:
1/2 x 1/2
1/4
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:
5/8 x 3/4
15/32
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:
1/5 x 2/3
2/15
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
1 2/3 x 2 2/3
40/9
Turn to a proper fraction:
66/7
9 3/7