Add or subtract. write the answer is simplest form.
1: 2/7+1/4
2: 5/9+3/8
3: 3 5/6-2 7/15

Which equation requires the division property of equality to be solved?

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Three times the sum of a number and seven is negative thirty-six. what is the number?