regina345
regina345
05-03-2017
Mathematics
contestada
how to add these mixed numbers
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Аноним
Аноним
05-03-2017
Make them into improper fractions
(5*5)+3
(2*3)+2
Final fractions
28/5+8/3
Find a common denominator
Multiply 28/5 by 3
84/15
Multiply 8/3 by 5
40/15
Add - 84+40=124
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sdmatera
sdmatera
05-03-2017
I would rewrite them:
5 3/5 is the same as 18/5
2 2/3 is the same as 8/3
To add them you get the same denominator by multiplying the first fraction by 3 and the second by 5 for a denominator of 15
54/15+40/15
=94/15 or 6 4/15
Hope this helps!
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