Question 392599: I'm having trouble finding the LCD- lowest common denominator and having trouble solving it. 4/63+1/45= Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! I'm having trouble finding the LCD- lowest common denominator and having trouble solving it. 4/63+1/45=
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63 = 3*3*7
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45= 3*3*5
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What are the common factors in the two numbers 2 Threes
3 & 3
what are the other non common factors 5 & 7
so
LCD = common factors * noncommon factors
LCD = 3*3 * 5*7=315
so LCD = 315
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multiply by LCD
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m.ananth@hotmail.ca
