Adding Fractions
1/5 + 2/10
4/10 = 2/5
3/4 - 1/2
1/4
Convert to mixed: 6/4
1 2/4 = 1 1/2
What is the definition of a fraction?
Part of a whole
What is the Least Common Denominator of 1/4 and 3/5?
20
2/3 + 3/4
1 5/12
5/6 - 1/4
7/12
Convert to mixed: 14/5
2 4/5
Make a common denominator (LCD)
What is the Least Common Denominator of 2/12 and 2/8?
24
3 1/3 + 2 4/5
6 2/15
2 4/5 - 1 1/5
1 3/5
Convert to improper: 4 1/6
25/6
Name each part of this fraction: 3 1/2
3 is the whole, 1 is the numerator, 2 is the denominator.
FREE!
+300
41 1/2 + 15 5/12
56 11/12
4 1/2 - 2 3/5
1 9/10
Convert to improper: 12 3/4
51/4
Kaylee ordered 3 pizzas. Graham ate seven slices. What fraction did Graham eat out of all the slices Kaylee ordered?
3 pizzas = 3 x 8 = 24 slices
7/24
Add 3 1/4 lbs of rice to 2 3/5 lbs of carrots.
5 17/20 lbs.
102 4/5 + 43 1/2
146 3/10
13 1/6 - 9 4/7
3 25/42
Convert to improper: Seven wholes and three sevenths
7 3/7 = 52/7
The fifth grade has 36 students. 1/4 of the grade stayed inside for lunch. Out of the group that went outside, 1/3 of them played football. How many students played football?
1/4 of 36 -> divide 36 by 4 = 9
3/4 went outside, 9 x 3 = 27
1/3 of 27 -> 27 divided by 3 = 9 for football
Which is more?
1 3/7 oz butter
15/6 cups oil
15/6 = 2 3/6 = 2 1/2 cups oil is more