Question 899768
{{{(7/15)*(5/28)+(7/10)*(5/14)=(1/3)*(1/4)+(1/2)*(1/2)}}}
{{{(7/15)*(5/28)+(7/10)*(5/14)=1/12+1/4}}}
{{{(7/15)*(5/28)+(7/10)*(5/14)=1/12+3/12}}}
{{{(7/15)*(5/28)+(7/10)*(5/14)=4/12}}}
{{{(7/15)*(5/28)+(7/10)*(5/14)=highlight(1/3)}}}