Adding and Subtracting Fractions
What is the 1st step when solving addition and subtraction problems with unlike denominators?
Find common denominators.
1/4 + 2/6
7/12
What is the 2nd step when adding/subtracting fractions with unlike denominators?
Get equivalent fractions.
1/1 + 1/6 =
1 1/6
7/8 + 1/5 =
1 3/40
What is the 3rd step when adding and subtracting fractions with unlike denominators?
Add or subtract
3/5 - 2/5 =
1/5
3/5 -1/3 =
4/15
5/10 - 1/3 =
5/30
8/9 - 3/27 =
21/27
What is an improper fraction?
A fraction with a numerator that is greater than the denominator
6/12 - 4/12 =
2/12
3/5 + 1/8 =
29/40
10/15 + 3/10 =
29/30
What is a mixed number?
A whole number and a fraction
13/25 - 10/25 =
3/25
1/5 + 1/4 =
9/20
8/12 - 1/24 =
15/24
2/4 -3/6 =
0