Evaluate $\frac{1}{4}+\frac{1}{8}$14+18

Evaluate $\frac{1}{2}+\text{5 tenths}$12+5 tenths

Evaluate $1\frac{1}{10}-\frac{1}{5}$1110−15

Evaluate $\frac{9}{10}+\frac{1}{2}$910+12