Question

Ali finished his history assignment in 1/4
hours. Then he completed his math assignment in 2/3
hours. What was the total amount of time Ali spent doing these two assignments?

Answer 1

$\frac{1}{4} \times 3 = \frac{3}{12} \frac{2}{3} \times 4 = \frac{8}{12} \\ \frac{3}{12} + \frac{8}{12} = \frac{11}{12}$