Add and Subtract Fractions with Like Denominators
Add the Fractions:
1/6 + 4/6 =
5/6
Subtract:
6/9-3/9
3/9
Add the Fractions:
1/2 + 1/2 =
1
Subtract the fractions:
3/4 - 1/4 =
2/4 = 1/2
The top number in a fraction is called the
The numerator
Subtract the Fractions:
4/12 - 3/12 =
1/12
Add:
3/10 + 7/10
1 whole or 10/10
Add the Fractions:
9/10 + 5/10 =
1 4/10 = 1 2/5
Subtract the Fractions:
2/10 - 1/10 =
1/10
Name a strategy we've used to add and subtract fractions
Visual model, number line, equation
Subtract the Fractions:
40/100 - 20/100 =
1/5
Subtract:
8/12-6/12
2/12
Add the Fractions:
5/10 + 14/10 =
19/10 = 1 and 9/10
Subtract the Fractions:
10/25 - 5/25 =
5/25 = 1/5
The bottom number in a fraction is called
The denominator
Add the Fractions:
3/4 + 2/4 =
5/4 or 1 1/4
Add:
5/7 + 4/7
9/7
Add the Fractions:
11/10 + 5/10 =
16/10 = 1 and 6/10 = 1 and 3/5
Subtract the Fractions:
12/30 - 2/30 =
10/30 = 1/3
What is a unit fraction?
Fraction with one as the numerator
Subtract the Fractions:
87/100 - 55/100 =
8/25
Subtract:
2/4 -1/4
1/4
Add the Fractions:
4/10 + 9/10 =
13/10 = 1 and 3/10
Subtract the Fractions:
15/45 - 10/45 =
5/45 = 1/9
same denominator