How do you evaluate #5/7 + 3/4#?

1 Answer
Apr 27, 2017

Answer:

#41/28#

Explanation:

The lowest common denominator of the two fractions is 28. So we can multiply the top and bottom of each fraction by the same number to get fractions with the same denominator.
#\frac{5(4)}{7(4)}+\frac{3(7)}{4(7)}=20/28+21/28=\frac{20+21}{28}=41/28#