Adding and Subtracting Fractions with borrowing

Diana is 49 inches tall. Her brother Jon is 5 3 8 7 8 Diana is 49 inches tall. Her brother Jon is 5 inches taller. How tall is Jon ? A mixed number is the sum of an integer and a fraction: 3 = 3 + . 4 5

1 8 5 6 5 + 3

1 4 3 8 4 + 4

REGROUPING MIXED NUMBERS 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 Regroup. 1 8 7 = 6 + 1 + Rewrite 1 as a fraction with a common denominator. 8 = 6 + + 1 = 6 9 8 Add.

Insert Lesson Title Here 8 9 2 3 12 – 8

Subtract. Write the answer in simplest form. 1 8 3 8 17 – 12

Insert Lesson Title Here 1 5 4 5 3 – 2

Insert Lesson Title Here Subtract. Write the answer in simplest form. 7 8 3 4 10 – 4

1 4 3 4 14 – 10

Insert Lesson Title Here Add or subtract. Write each answer in simplest form. 1. 5 2. 9 3. 7 4. 10 1 4 1 6 + 5 2 3 7 12 + 10 7 8 3 4 – 2 2 9 5 6 – 4 1 2 5. A single roll of wallpaper unrolls to 15 yards 7 8 you hang 13 yards from the roll. How much wallpaper remains?