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Find the least common denominator for the following groups of fractions. For probl try finding the LCD by inspection (i.e., mentally) first, then use the prime-number m 43 2. 5 11 1 1 3. 3. 5 3 15 42 8 1. 5'3' 15 6' 12' 4'2 1. 1 1 1 3 x 5 = 15 LCD

Find the least common denominator for the following groups of fractions. For probl try finding the LCD by inspection (i.e., mentally) first, then use the prime-number m 43 2. 5 11 1 1 3. 3. 5 3 15 42 8 1. 5'3' 15 6' 12' 4'2 1. 1 1 1 3 x 5 = 15 LCD

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter2: Addition Of Common Fractions And Mixed Numbers
Section: Chapter Questions
Problem 9A: Determine the lowest common denominators of the following sets of fractions. 9. 56,712,316,1924
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Answer questions 1 through 16
Subtract the following mixed humbers and reduce to lowest terms. 29. 25-11 b. a. CHECK YOUR AN SWERS WITH THE SOLUTIONS ON PAGE 6 1 2 REVIEW EXERCISES Find the least common denominator for the following groups of fractions. For problems 1-3, try finding the LCD by inspection (i.e., mentally) first, then use the prime-number method. 5 11 1 1 3. JUMP START www 3 15 3 15 42 8 1. 53 15 5 5 1 1 1 43 2. 9'4 6 12' 4' 2 5 3 x 5 = 15 LCD 1 19 2 3 4. 21 9 7 1 5. 25' 60' 20' 3 5 9 2 7 6. 12' 14' 3' 10 6 24 3'5 Add the following fractions and reduce to lowest terms. 9. 10. 32 JUMP START Www 1 1 8. 13 29 7. 6. 9. 8 6. 16 32 3 8. =1-= 6. 3. 1. 1 11. 3 13 3 12. -+ + 48 16 3. 19 4 12 13. 30 15. 7+2 14. 16. +9 27 + 4/5
Transcribed Image Text:Subtract the following mixed humbers and reduce to lowest terms. 29. 25-11 b. a. CHECK YOUR AN SWERS WITH THE SOLUTIONS ON PAGE 6 1 2 REVIEW EXERCISES Find the least common denominator for the following groups of fractions. For problems 1-3, try finding the LCD by inspection (i.e., mentally) first, then use the prime-number method. 5 11 1 1 3. JUMP START www 3 15 3 15 42 8 1. 53 15 5 5 1 1 1 43 2. 9'4 6 12' 4' 2 5 3 x 5 = 15 LCD 1 19 2 3 4. 21 9 7 1 5. 25' 60' 20' 3 5 9 2 7 6. 12' 14' 3' 10 6 24 3'5 Add the following fractions and reduce to lowest terms. 9. 10. 32 JUMP START Www 1 1 8. 13 29 7. 6. 9. 8 6. 16 32 3 8. =1-= 6. 3. 1. 1 11. 3 13 3 12. -+ + 48 16 3. 19 4 12 13. 30 15. 7+2 14. 16. +9 27 + 4/5
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