add+subtract+multiply+subtract part

Joshua

adding

  1. Find the Least Common Denominator (LCD)
  2. multiply the numerator by the same number as the denominator
  3. add
  4. simply
  5. repeat this until you are done
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subtracting

  1. find the least common denominator (LCD)
  2. subtract
  3. simplify
  1. find the (LCD)
  2. multiply the numerator by the same number as the denominator
  3. multiply
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Multiply

  • Find the LCD
  • Multiply
  • Simplify
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divivde

  • find the LCD
  • Flip the number farthest to the right
  • Change the Division symbol to a Multiplication symbol
  • Multiply
  • Simplify
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multiply decimals

1. write it as if it was just multiplication

2. swoop the decimal

3.multiply

4. bring the decimal back (if you swooped it 1 times for each then swoop back 2 times

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divideing decimalls

1. swoop the dividend the same as the devisor

2. divide

3. put the decimal back wear it goes

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