Adding and Subtracting Fractions - Unlike denominators
คำถามทั้งหมด: 15
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1.
What is the LCM for 8 and 4?
a)
32
b)
4
c)
16
d)
8
2.
What is the sum of 3/4 and 2/6?
a)
13/12
b)
6/8
c)
8/24
d)
8/12
3.
Sally ran 6/12 of a mile. Jeremy ran 2/3 of a mile. How much did they run altogether?
a)
5/8 mile
b)
8/12 mile
c)
8/15 mile
d)
1and 2/12 miles
4.
What is the Least Common Denominator for 1/2 and 1/4
a)
8
b)
2
c)
4
d)
16
5.
Ginger bought Christmas ribbon to decorate the house. She used 1/3 of the ribbon to make a wreath and 1/2 of the ribbon for the tree. How much ribbon is left?
a)
1/5
b)
1/6
c)
5/6
d)
1/2
6.
Which expression is equivalent to the sum of
6/12 + 9/12
a)
3/6 + 5/6
b)
1/2 + 3/4
c)
2/12 + 5/12
d)
3/8 + 7/8
7.
Find the difference:
7/9 - 2/5
a)
17/45
b)
5/4
c)
5/9
d)
5/45
8.
Find the sum of 3/8 and 2/6
a)
5/14
b)
17/24
c)
5/8
d)
5/6
9.
Jenny drove 8/10 Km to school. Matt drove 1/4 Km to school. How much more did Jenny drive than Matt?
a)
7/10 Km
b)
11/20 Km
c)
7/40 Km
d)
3/10 Km
10.
Add 6/14 and 1/2
a)
7/16
b)
13/14
c)
7/14
d)
3/4
11.
Find the LCD for 1/3 and 2/9
(a)
12.
Which shows a way to solve 3/7 + 2/5
a)
Add the numerators first, then add the denominators.
b)
Find the LCD for 7 and 5, then make equivalent fractions and then subtract
c)
Find the LCD for 7 and 5, then make equivalent fractions and then add
d)
Find the LCD for 7 and 5, then multiply both numerators by 5.
13.
Add 5/8 and 3/12
a)
8/12
b)
8/16
c)
15/24
d)
21/24
14.
What is the first step in finding the Least common Denominator for two fractions?
a)
List all of the multiples of each numerator
b)
Multiply the numerators together
c)
Add the denominators
d)
List the first few multiples of each denominator
15.
Add 1/3 + 7/10
a)
1 and 1/30
b)
8/13
c)
8/30
d)
8/10
แป้นคำตอบ
Adding and Subtracting Fractions - Unlike denominators
คำถามทั้งหมด: 15
1.
d)
8
2.
a)
13/12
3.
d)
1and 2/12 miles
4.
c)
4
5.
b)
1/6
6.
b)
1/2 + 3/4
7.
a)
17/45
8.
b)
17/24
9.
b)
11/20 Km
10.
b)
13/14
11.
9
12.
c)
Find the LCD for 7 and 5, then make equivalent fractions and then add