What addition property is shown in this equation?

Find the missing fraction: 1/2 + 1/3 = 1/3 + _______

Make the model and give the equivalent mixed fraction.

Find the LCM of 9, 12, and 15 using prime factorization.

Three bells ring at intervals of 6 minutes, 8 minutes, and 10 minutes. If they all rang together at 8:00 AM, at what time will they ring together again?

Find the LCM of 6, 8, and 12 using listing method.

Find the LCM of 10, 12, and 15 using continuous division.

Find the GCF of 18, 24, and 30 using listing method.

Find the GCF of 42, 56, and 70 using continuous division.

A school wants to form marching groups of boys, girls, and teachers. There are 18 boys, 24 girls, and 30 teachers. What is the greatest number of groups that can be formed if each group has the same number of boys, girls, and teachers?

Find the GCF of 36, 54, and 72 using prime factorization.