Adding Fractions
What is must be the same when adding fractions?
The Denominator
What must be the same when subtracting fractions?
The Denominator
True/False: The Denominators must match in order to multiply fractions.
False
True/False: The Denominators don't need to match in order to divide two fractions.
True
Why is a mixed number called a mixed number?
The number contains both a whole number and a fraction.
Add these two fractions:
3/8 + 1/8
4/8 or 1/2
Subtract these two fractions:
5/7 - 3/7
2/7
Multiply these two fractions:
1/2 x 1/2
1/4
Divide 3/4 by 3/4.
1
When is a fraction an improper fraction?
When the numerator is larger than the denominator.
Add these two fractions:
1/2 + 1/4
3/4
Subtract these two fractions:
3/4 - 1/2
1/4
Multiply these two fractions:
1/3 x 1/4
1/12
Divide 5/7 by 2/4.
1 and 3/7
Convert 24/16 in to a mixed number.
1 and 1/2
Add these two fractions:
1/4 + 4/6
11/12
Subtract these two fractions:
4/5 - 3/4
1/20
Multiply these two fractions:
2/5 x 3/4
3/10
Divide 12/14 by 30/35.
1
Convert 2 and 2/5 into an improper fraction.
12/5
Add these two fractions:
1/3 + 7/10
1 and 1/30
Subtract these two fractions:
8/9 - 3/5
13/45
Multiply these two fractions:
2/4 x 7/11
7/22
Divide 2 and 1/17 by 30/34.
2 and 1/3
Concert 174/4 into a mixed number.
43 and 1/2