Adding Fractions
1/2 + 5/2
4/5 - 3/5
1/5
1/2 + 1/3
2/6 or 1/3
2/3 x 5
10/3 or 3 1/3
To add fractions they must have the same ___?
Denominator
4/8 + 2/8
6/8 or 3/4
9/12 - 2/12
7/12
7/8 x 4/5
28/45
5/6 x 3
15/6 or 2 3/6 or 2 1/2
When adding fractions with a common denominator, what do we do to the numerators?
add
2/10 + 3/10
5/10 or 1/2
6/12 - 1/4
1/4
9/10 x 6/9
54/90
8/9 x 5
When subtracting fractions with unlike denominators, you must first find the ___?
Common denominator
4/9 + 2/3
30/27 or 1 3/27
7/9 - 3/4
1/36
7/5 x 3/10
15/50 or 3/5
6/9 x 9
When subtracting fractions with a common denominator, what do you do to the numerators?
Subtract
3/8 + 7/9
83/72 or 1 11/72
Lee went fishing. They caught a 5/8 pound trout and a 1/4 pound bass. What is the difference between the two fish caught?
2/8 or 1/4
6/12 x 6/12
36/144 or 6/24 or 1/4
5/8 x 3
15/8 or 1 7/8
What is the top number of a fraction called?
Numerator