Adding and subtracting mixed numbers with like denominators 1

The first instance of  is under the 4th Grade Math Mission. This exercise practices the arithmetic operations of addition and subtraction on the set of fractions in the form of mixed numbers.

Types of Problems
There is one type of problem in this exercise:


 * 1) Add or subtract the numbers: This problem has either and addition or subtraction problem involving two mixed numbers. The student is asked to give the correct answer to the arithmetic problem.Mixnumari.png

Strategies
This exercise is easy to get accuracy and speed badges because there is only one type of problem, it is straightforward, and the acceptable formats are generous.


 * 1) There is no borrowing or carrying at this stage, so just operate on the integer parts and fraction parts separately
 * 2) You are not required to reduce fractions, so when operating on fraction parts just type them in without reducing
 * 3) Don't forget to leave a space between the integer part and fraction part when answering.