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rosijanka [135]
3 years ago
9

What is the answer to 13/4 - 5/8=

Mathematics
1 answer:
solmaris [256]3 years ago
6 0
In order to subtract one fraction from another, we need to make the denominator the same in both fractions.  The lowest common denominator is 8, because 4 is a factor of 8.

In order to make the denominators the same, multiply both the numerator and denominator of 13/4 by two.  This keeps the value of the fraction the same, but will equate the denominators.

\frac{13*2}{4*2} = \frac{26}{8}

At this point, we can simply subtract 5/8 from 26/8.

\frac{26}{8}- \frac{5}{8} =  \frac{21}{8}

21/8 cannot be simplified, so it is the answer.
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