Answer:
31/40
Step-by-step explanation:
3/8=15/40
2/5=16/40
15/40+16/40=31/40
step by step explaintion
Have you ever tried photomath?
7.83 mm to km
7.83* 10^-6 or 7.83/10^6
0.00000783 km
BLACK LIVES MATTER!
Have a great day! <3333