1. Add. Write the answer in simplest form. Adding Mixed Numbers + 8 23 24 = 8 23 24 Add the integers and add the fractions. 3 5 x 4 6 x 4 20 24 5 1 x 3 8 x 3 3 24 Course 2 Add the integers and add the fractions. Find a common denominator of 24. 5 1 + 3 5 86

2. Add. Write the answer in simplest form. Adding Mixed Numbers + 9 73 63 = 10 10 63 In this problem you must change the improper fraction to a mixed number -- 1 and 10/63. Carry the 1 to the whole numbers to get final answer. 2 5 x 9 7 x 9 Find a common denominator. 45 63 7 4 x 7 9 x 7 28 63 Course 2 Add the integers and add the fractions. 7 4 + 2 5 97

3. Add. Write the answer in simplest form. A. 7 4545 + 10 2525 7 4545 + 2525 = 17 + 6565 Add the integers and add the fractions. = 17 + 1 1515 Rewrite the improper fraction as a mixed number. =18 1515 Course 2

4. Subtracting Mixed Numbers Subtract. Write the answer in simplest form. Insert Lesson Title Here B.12 8989 – 8 2323 8989 – 8 2323 = 8989 – 8 6969 Find a common denominator. = 4 + 2929 = 4 2929 Subtract integers and subtract fractions. Add.

5. Sometimes when you subtract mixed numbers, the fraction portion of the first number is less than the fraction portion of the second number. In these cases, you must regroup before subtracting. REGROUPING MIXED NUMBERS WORDS NUMBERS 1818 7 = 6 + 1 + 1818 8888 = 6 + + 1818 = 6 9898 Rewrite 1 as a fraction with a common denominator. Regroup. Add. Course 2

6. Subtract. Write the answer in simplest form. Subtracting Mixed Numbers C. 17 1818 – 12 3838 17 1818 – 12 = 3838 16 9898 – 12 3838 = 4 + 6868 Regroup 17 1818 = 16+ 8888 + 1818. Subtract integers and subtract fractions. = 4 6868 = 4 3434 Add and simplify.

7. Subtract. Write the answer in simplest form. C. 14 1414 – 10 3434 14 1414 – 10 = 3434 13 5454 – 10 3434 = 3 + 2424 Regroup 14 1414 = 13+ 4444 + 1414. Subtract integers and subtract fractions. = 3 2424 = 3 1212 Add and simplify.

8. Lesson Quiz Add or subtract. Write each answer in simplest form. 1. 5 2. 9 3. 7 4. 10 Insert Lesson Title Here 1414 + 5 1616 2323 + 10 7 12 7878 – 2 3434 2929 – 4 5656 5. A single roll of wallpaper unrolls to 15 yards 1212 you hang 13 yards from the roll. How much 7878 wallpaper remains? 10 5 12 20 1414 5 1818 5 7 18 1 yards 5858