Tyler juggled for 1 hr during the school week. He Adding Mixed Numbers LESSON 5-4 Additional Examples Tyler juggled for 1 hr during the school week. He juggled for 2 hr over the weekend. How many hours did he juggle in all that week? 1 3 1 4 Find 1 + 2 . 1 3 4 Estimate 1 + 2 1 + 2 = 3 1 3 4 1 4 + The LCD is 12. Write the fractions with the same denominator. 2 3 12 Add the whole numbers. Then add the fractions. 3 7 12 Tyler juggled for a total of 3 hr. 7 12 Check for Reasonableness The answer 3 is close to the estimate of 3. 7 12

Find 5 + 3 . + The LCD is 10. Write as . 5 3 8 Add the whole numbers. Adding Mixed Numbers LESSON 5-4 Additional Examples Find 5 + 3 . 4 5 9 10 + The LCD is 10. Write as . 5 3 4 9 10 8 17 10 8 Add the whole numbers. Then add the fractions. = 8 + 1 7 10 Rename as 1 . 17 = 9 7 10 Add the whole numbers.

A mother cat weighs 14 lb. Her kitten weighs 1 lb. Adding Mixed Numbers LESSON 5-4 Additional Examples A mother cat weighs 14 lb. Her kitten weighs 1 lb. How much do they weigh together? 5 8 1 2 Find 14 + 1 . 5 8 1 2 Total 14 1 mother kitten 1 + The LCD is 8. Write as . 14 5 8 2 4 Add the whole numbers. Then add the fractions. 15 9 8 = 15 + 1 Rename as 1 . 9 8 1 = 16 Add the whole numbers. 1 8 The mother cat and kitten weigh 16 lb. 1 8