college
posted by sandra on .
can someone please help me solve the following problems
Solve the following:
1. 2/7  1/3 = ?
2. 4/5 x 15/2 = ?
3. 2 1/2 ÷ 3/4 = ?

1. Find the common denominator.
2/7  1/3 = ?
6/21  7/21 = 1/21
2. Multiply the numerators and then multiply the denominators.
3. Invert the divisor and then multiply.
We'll be glad to check your answers.