Ask
your own question, for FREE!
Mathematics
12 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
stxandrew1214:
I lwk like a junior need help to talk with her and get to know her but I think sh
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
Bounty:
tested love: im so over love it acquires patience i don't have trials an tribulations yet my souls the only one taken i give 90 you give 10 you say that you
SaltySuga:
is it possible to tell how deep a cut is by an open wound? like would i be able t
AndreW2002:
I'm trying to change my profile picture but it keeps saying "Either a error occurred, or you tried to upload a gif" but it's not a gif that I'm using, it's
9 hours ago
19 Replies
1 Medal
15 hours ago
5 Replies
0 Medals
2 days ago
3 Replies
1 Medal
13 hours ago
7 Replies
2 Medals
3 days ago
5 Replies
1 Medal
4 days ago
3 Replies
0 Medals