Question 111461
{{{b/3 - b/4 = 5}}}
First step, find the product of the denominators.
{{{3*4=12}}}
Now multiply both sides by the product to get rid of fractions.
{{{12(b/3 - b/4) = 12*5}}}
{{{12b/3-12b/4=60}}}
{{{4b-3b=60}}}
{{{b=60}}}