I can find common factors and multiples. D Jerrie practices the piano every three days, and practices the trumpet every four

Question

I can find common factors and multiples. D Jerrie practices the piano every three days, and practices the trumpet every four days. Jerrie practices both the piano and the trumpet on May ST. When is the next day Jerrie will practice both Instruments at the same time?

Kunduz · Accepted Answer

Click to see the answer