math help

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How do you figure out a related sentence for fractions? (here is the problem) t + 1/8= 3/5

multipy the 1/8 by 5/5 or it is 5/40
Then, mulipy the 3/5 by 8/8 to 24/40

Finally subtract 5/40 from both sides.

Think out why it is done this way.

What do you mean by a "related sentence"?
Just find a common denominator for the fractions and do the algebra.
t + 5/40 = 24/40
t = 19/40

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