The correct answer is
<span>a4b<span>6 I think also your question is missed up next time fix it</span></span>
We need convert the mixed numbers to improper fractions.

Divide the number by a fraction, this is the same as multiply this number by the reciprocal of the fraction:

Take the answer you get from that and add it to 270. That is your answer.
668081 is the answer
Hope it helps :)