To find a COMMON DENOMINATOR of two fractions we have to find: A) the greatest common factor of the denominators B) the least common multiple of the denominators C) the product of the numerators
B) the least common multiple of the denominators
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20
1/2 + 2/5
9/10
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15
What is the least common multiple of 2 and 3?
6
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15
What is the least common multiple of 4 and 6?
12
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20
Solve: 5/6 - 1/2 =
2/3
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banana
Go to last place!
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fairy
Take points!
5
10
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20
25
rocket
Go to first place!
Okay!
lifesaver
Give 20 points!
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banana
Go to last place!
Oops!
gift
Win 25 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
thief
Give points!
5
10
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20
25
gift
Win 10 points!
Okay!
fairy
Take points!
5
10
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20
25
thief
Give points!
5
10
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20
25
baam
Lose 10 points!
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rocket
Go to first place!
Okay!
gift
Win 25 points!
Okay!
baam
Lose 25 points!
Oops!
20
5/12 + 1/4 = 8/12. Is the answer in simplest form? Explain.