Question 865849
Multiply top and bottom of the first fraction by 2 to get the denominator equal to 10. From there, you can combine the fractions.



{{{3/5-(-9/10)}}}



{{{(2/2)*(3/5)-(-9/10)}}}



{{{6/10-(-9/10)}}}



{{{6/10+9/10}}}



{{{(6+9)/10}}}



{{{15/10}}}



{{{3/2}}}



The answer as an improper fraction is {{{3/2}}}



{{{3/2 = (2+1)/2}}}



{{{3/2 = 2/2+1/2}}}



{{{3/2 = 1+1/2}}}



{{{3/2 = 1&1/2}}}



The answer as a mixed number is {{{1&1/2}}}