Question

calculati 45/ 80 + 20/30

Answer 1

45/80 + 20/30 = ³⁾9/16 + ¹⁶⁾2/3 = (27+32)/48 = 59/48

Answer 2

$\frac{45}{80} + \frac{20}{30} = \frac{9}{16} + \frac{2}{3} = \frac{9 \times 3}{16 \times 3} + \frac{2 \times 16}{3 \times 16} = \frac{27}{48} + \frac{32}{48} = \frac{27 + 32}{48} = \frac{59}{48}$