Step One: Separate the fractions from whole numbers.
= -2 - 3/10 + 4 +2/5
Step Two: Solve for whole numbers.
-2 + 4 = 2
Step Three: Solve for fractions.
-3/10 + 2/5
Step Four: Find LCD
5 x 2 = 10 and 1 x 10, therefore makes it the LCD.
Step Five: Rewrite to solve
-3/10 + 4/10 = 1/10
Step Six: Combine New Fraction & Whole Number Answer.
2 1/10 is your answer in simplest form.
