FRACTIONS ADDING AND SUBTRACTING FRACTIONS OF UNLIKE DENOMINATORS

VIDEO PRESENTATION

QUESTIONS 1. 3/15 + 6/20 2. 6/9 + 1/3 3. 6/25 + 3/5 4. 13/15 + 10/45 5. 11/16 + 15/32 6. 9/17 + ½

1. 3/15 + 6/20 = 3. 6/25 + 3/5 = a) ½ a) 20/25 b) 1/3 b) 5/5 c) ¼ c) 21/25 d) 1/8 d) 9/25 2. 6/9 + 1/3 = 4. 13/15 + 10/45 = a) 7/9 a) b) 1 4/45 c) 5/9 c) 48/45 d) 3 d) 23/45 42/45

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WORDED PROBLEMS 1. Kim and her sister Patria received a pizza to share among themselves. Patria got half of the pizza at first. Kim did not want any more of her pizza so she gave Patria her remaining amount which was 3/12. What fraction of the pizza did Patria received in all? 2. Maria baked a cake and slice it up into 16 slices. She gave Pam 1/8 of the cake and Priscilla got ¼ of the caked. What fraction of the cake Maria kept for herself? 3. My baby brother weighed 5/10 kilogram at birth. In two weeks his weight increased by 3/20 kilogram. What is my baby brother’s new weight? 4. In Bobby’s History class, 1/5 of the students are presenting their work on a Power. Point while 2/8 of the students is presenting their word using Microsoft Word. The remaining amount is completing their work in their books. What fraction of the students is presenting their work in their books?