FRACTIONS-ADDING MIXED NUMBERS-67A Step 1. Write the Step 2. add. Step 3. Write the sum in the fractions with a add fraction simplest form. common denominator. first. 3 1/2 = 3 6/12 3 6/12 3 6/12 + 4 1/6 4 2/12 +4 2/12 + 4 2/12 (divide by 4) ------ ------- ------ ------ 7 8/12 7 8/12 = 7 2/3 END