Find the Sum or Difference
1/9 + 2/3
7/9
Simplify
4/6
2/3
2/7 + 2/5
31/35
2/5, 1/10
LCD = 10
4/10 1/10
What does the denominator represent?
The total number of parts (bottom number of a fraction)
3/7 + 1/2
13/14
Simplify
8/20
2/5
1 2/3 - 5/6
5/6
5/6 3/8
LCD = 24
20/24 9/24
What does the numerator represent?
The part of the whole (top number of a fraction)
8/9 - 1/3
5/9
Simplify
20/5
4
3 1/2 + 2 4/5
6 3/10
1/3 2/7
LCD = 21
7/21 6/21
What are equivalent fractions?
Two fractions that are equal
5/6 + 3/4
1 5/12
Simplify
13/26
1/2
8 1/8 - 1 1/2
6 5/8
3/4 3/10
LCD = 20
15/20 6/20
What is a number that is a multiple of two or more numbers?
common multiple
3 4/5 . - 1/3
3 7/15
Simplify
30/21
1 3/7
11 - 3 4/5
7 1/5
2/7 3/5
LCD = 35
10/35 21/35
What is a common multiple of two or more denominators?
common denominator