Asked by lisa
Find the LCD and add the fractions.
1/125 + 4/50=
11/24
1/1250
1/35
551/6250
(Points: 5)
im not getting the concept of this some help is really needed please
1/125 + 4/50=
11/24
1/1250
1/35
551/6250
(Points: 5)
im not getting the concept of this some help is really needed please
Answers
Answered by
Ms. Sue
LCD = least common denominator
The LCD is the smallest number that can be divided evenly by both denominators. One way to do that is to list the multiples.
125, 250, 375, 525
50, 100, 150, 200, 250, 300
The smallest number in both lists is 250.
250 / 125 = 2
1/125 * 2 = 2/250
250/50 = 5
4/50 * 5 = 20/250
2/250 + 20/250 = 22/250
Simplifying 22/250 = 11/125
Study this site for a further explanation.
http://www.mathsisfun.com/least-common-denominator.html
The LCD is the smallest number that can be divided evenly by both denominators. One way to do that is to list the multiples.
125, 250, 375, 525
50, 100, 150, 200, 250, 300
The smallest number in both lists is 250.
250 / 125 = 2
1/125 * 2 = 2/250
250/50 = 5
4/50 * 5 = 20/250
2/250 + 20/250 = 22/250
Simplifying 22/250 = 11/125
Study this site for a further explanation.
http://www.mathsisfun.com/least-common-denominator.html
Answered by
lisa
thanks very much i now have a better understanding
Answered by
Ms. Sue
You're welcome. I'm glad I could help.
Answered by
martine
20/250= 10/125
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