SOLUTION: I know that multiplying fractions you just have to times the numbers on the top and times the ones on the bottom but for instance on 10/9 x 27/4 would it still be the same way? and
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Question 917900: I know that multiplying fractions you just have to times the numbers on the top and times the ones on the bottom but for instance on 10/9 x 27/4 would it still be the same way? and just simplify it? Answer by KMST(5328) (Show Source):
You can put this solution on YOUR website! Since 10 and 4 are both multiples of 2,
and 27 and 9 are both multiples of 9,
I would simplify as soon as possible, like this:
Some teachers discourage crossing out, because some students get too enthusiastic and start crossing out willy-nilly, following no logic, but obeying magical rules that they invent. The result is a mistake.
what we really abbreviate by the crossing out is separating factors equal to 1:
