algebra
posted by tiffany .
Use muliplying by 1 to find an expression equivalent to 10/13 with a dominator of 39a
Please kindly help. I don't understand what to do. Thanks!

10/13.
To get an equivalent expression, we multiply the numerator and denominator
by the same number.
In this case, our denominator went from 13 to 39. 39 / 13 = 3. So we multiplied our denominator by 3. So, we
must multiply our numerator by 3 also.
Our equivalent fraction is 30/39. We
know this is correct, because when we
DIVIDE the numerator and denominator by 3 we get 10/13 ,our original fraction. 
use multiplying by 1 to find an expression equivalent to 11/14 with a denominator of 56c the equivalent expression is
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