Takumi Minamino (16), Bril Embolo (37) and Sam Ben Yedder (57 and 87) scored Monaco's goals, while Sarachevic recorded Clermont's only goal in the 34th minute.
Monaco has 61 points.
In the other matches , Le Havre beat Strasbourg 3-1 and Reign beat Metz 3-2. Brest and Nantes ended in a scoreless draw.
