Ask
your own question, for FREE!
Mathematics
18 Online
add (-1/3)+(-2/7)+(4/9)
Still Need Help?
Join the QuestionCove community and study together with friends!
@LoveYou*69 @Easyaspi314 @FutureMathProfessor
MEDAL WILL BE GIVEN
You have denominators of 3,7,9. You need the LCD. What number will be the LCD?
63
@mathnoobie10 @mathstudent55 @mathkid1
Still Need Help?
Join the QuestionCove community and study together with friends!
correct
Let's change all fractions to a denominator of 63.
ok
21/63 9/63 7/63
1/3 = 21/63 2/7 = 18/63 4/9 = 28/63 So, you have -21/63 -18/63 + 28/63 = -11/63 Agree?
Still Need Help?
Join the QuestionCove community and study together with friends!
how did you get 18/63 and 28/63 ????
For 4/....9 into 63 goes 7 times, and 7 times 4 is 28.
THANK YOU SO MUCH!!! GOD BLESS YOU!!
welcome.
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Countless7Echos:
Ah trying out the whole T.V girl drawing :p (I love drawing eyes)
SnowyBreaks:
You ever get the types of dreams where it feels as if you aren't breathing? And w
laylasnii13:
Poem/diary i wrote I Want Out Iu2019m so tired of screaming into walls. Every fight with my mom leaves something broken and itu2019s not just plates or slam
Countless7Echos:
Aye.. I need actually some help on the shading here.. if the light is from above too I just feel something is off.
19 minutes ago
1 Reply
1 Medal
8 hours ago
6 Replies
0 Medals
1 day ago
13 Replies
3 Medals
2 days ago
19 Replies
3 Medals