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I need help with this question subtract and simplify 7/9-22/45

Algebra
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I need help with this question subtract and simplify 7/9-22/45

Oct 23rd, 2014

see to solve such questions first you need to make the denominators common

to make the denominators common we take the lcm of 9 and 45 which is 45.

so to turn the denominator of 7/9 into 45 we multiply numerator and denominator by 5.

7*5/9*5 =35/45

so now 35/45 - 22/45 =13/45 is the answer.

Oct 23rd, 2014

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Oct 23rd, 2014
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Oct 23rd, 2014
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