Practice problem
Simplify completely. (68×12)+(42×54)\left(\frac{6}{8}\times \frac{1}{2}\right)+\left(\frac{4}{2}\times \frac{5}{4}\right)(86×21)+(24×45)
238\frac{23}{8}823
4616\frac{46}{16}1646
2624\frac{26}{24}2426
1312\frac{13}{12}1213
Type a concept, like “slope” or “photosynthesis”.
