SOLUTION: Find the sum or difference. 5 2/7 + 7 1/6 Thanks! Please work really really really fast! Happy Holidays!

Question 65006This question is from textbook Pre-Algebra
: Find the sum or difference. 5 2/7 + 7 1/6

Thanks! Please work really really really fast! Happy Holidays! This question is from textbook Pre-Algebra

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
5 2/7=37/7
7 1/6=43/6 NOW WE FIND A COMMON DENOMINATOR (6*7)=42
37/7=X/42
7X=1554
X=1554/7
X=222 OR 37/7=222/42
------------------------
43/6=X/42
6X=1806
X=1806/6
X=301 OR 43/6=301/42
-----------------------
NOW WE CAN ADD THESE TWO FRACTIONS
222/42+301/42=523/42=12 19/42

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