Steps
What is the 1st step when solving addition and subtraction problems with unlike denominators?
Find a common denominator.
1/4 + 2/6
7/12
3/5 - 1/5 =
2/5
1/4 ÷ 2/5 =
5/8
1/2 X 3/4
3/8
What is the 2nd step when adding/subtracting fractions with unlike denominators?
Find equivalent fractions using the new denominator.
5/6 - 1/4 =
7/12
2/4 + 3/4=
1 1/4
1/3 ÷ 2/3 =
1/2
2/5 X 7/9
14/45
What is the 3rd step when adding and subtracting fractions with unlike denominators?
Add or subtract the numerators.
2/5 - 1/6 =
7/30
5/10 - 1/10 =
2/5
1/4 ÷ 3/5 =
5/12
9/12 X 7/4
1 5/16
What is the 4th step when adding and subtracting fractions with unlike denominators?
Change improper fractions to mixed numbers.
4/8- 3/8 =
1/8
5/6 ÷ 1/8 =
6 2/3
12/9 X 9/11
1 1/11
What is the 5th step when adding and subtracting fractions with unlike denominators?
Simplify/Reduce
20/60 + 30/60 =
5/6
4/8 ÷ 6/2 =
1/6
12/7 X 5/12
5/7