Donglyardepuela11idn
Answered

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Sagot :

Rexanboi88idn
17. Because you cannot add the fraction if there is no denominator

18. 1/3 because if you cancelled the numerator 2 and cancelled the denominator 2 you will have an answer of 1/3
Kravencalixterioidn

Answer:

17.the common denominator is important because it is a part of the fraction

18. -1/2

Step-by-step explanation:

18. first find the LCD. the LCD is 6 now 6 is our new denominator.

remove the negative line so that it is not confusing

6 divided by 3= 2

2 x 2=4  so the first fraction is 4/6

6 divided by 2=3

3 x 1=3 the sec fraction is 3/6

now bring the numerator back so it will be -4/6 and -3/6

since it has negavite wichmean the lower the number the higher the -3/6 has the lower numerator so the answer is -1/2

paki brainliest po sana hehe