Question 845644: explain an error pattern in each of the following
A. 13/35=1/5, 27/73= 2/3, 16/64= 1/4
B. 4/5+2/3= 6/8, 2/5+3/4=5/9, 7/8+1/3=8/11
C. 67/8 - 25/4=10/4, 43/8 - 8/3= 16/5, 16/7- 4/3= 5/4
D. 2/3(3)= 6/9, 1/4(6)= 6/24, 4/5(2)= 8/10
Answer by richard1234(7193)   (Show Source):
You can put this solution on YOUR website! A) Can't cancel off digits like that.
B) You don't add fractions like that. They should have the same denominator, then you can add them.
C) Not sure how one would obtain these answers but clearly they are incorrect.
D) Multiplying numerator and denominator by a constant c is the same as multiplying by c/c, or multiplying by 1.
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