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Understanding GCF, LCM, and Basic Fraction Operations in Math

This guide explores key mathematical concepts including the Greatest Common Factor (GCF) and Least Common Multiple (LCM) of numbers, along with fundamental operations with fractions and decimals. Learn the proper steps for adding fractions, how to create equivalent fractions, and the importance of lining up decimals when performing decimal operations. Plus, tackle real-life application problems involving fractions, decimals, and schedules for watering plants. Master these essential skills to enhance your mathematical understanding and problem-solving abilities.

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Understanding GCF, LCM, and Basic Fraction Operations in Math

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  1. Find the Product .138

  2. Find the GCF of 24 and 48 24

  3. What is the 3rd step when adding fractions? Create Equivalent Fractions

  4. What is the first step when you add or subtract decimals? Line up the decimals

  5. Find the LCM of 8 and 22 88

  6. 59.28 ÷ 3.8 = 15.6

  7. 14

  8. Change to an Improper Fraction

  9. 15.07 + .98 + 9.23 + 102.034 = 127.314

  10. Find the GCF and LCM Of 18, 24, and 8 GCF = 2 LCM = 72

  11. What is the last step when adding, subtracting, multiplying, or dividing fractions? Simplify

  12. What do you call this type of decimal? .312312 Repeating

  13. A new book at the store costs $53.07. You have a $22.78 credit at the store. How much money do you need to bring to the store to buy the book? $30.29

  14. A person receives $56 for working a full day. How much is received for working 1/4 of a day? $14

  15. You have 4 large pizzas. If you cut each pizza into 's, how many slices will you have total? 32

  16. Wanda has a watering schedule for her plants .  Her cacti get watered every 12 days while her begonias get watered every 8 days.  If she watered both sets  of plants today, in how many days will be the next time she has to water BOTH sets? 24 Days

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