SOLUTION: 1/3+3/4
Algebra.Com
Question 1015123: 1/3+3/4
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find common denominator.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1/3+3/4
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Here's a shortcut.
a/b + c/d = (ad + bc)/(b*d) --- product of outside terms + product of inside terms / product of DENs.
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1/3+3/4 = (1*4 + 3*3)/(3*4)
= 13/12
Saves time. Sometimes you have to reduce.
eg,
2/5 + 3/10 = (2*10 + 3*5)/(5*10)
= 35/50
= 7/10
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