The Red Devils were the dominant team in the first half but couldn’t find a way to break the deadlock.
And it looked as though they might be in for a tough second period when Romelu Lukaku saw his penalty saved by Kasper Schmeichel in the 52nd minute.
But Marcus Rashford found the net in the 70th minute, before Marouane Fellaini doubled their lead twelve minutes later.
Leicester never had any realistic chance of winning the game.
And Manchester United supporters took to Twitter to celebrate another impressive victory.
Click through the gallery above to see some of the best reaction from Manchester United fans to the win against Leicester.
