This video goes through how to subtract mixed numbers: if the larger number has the bigger fraction, then find the LCD, make both fractional parts have the same denominator, then subtract and simplify (don't forget the whole numbers, too!). If the bigger number has a smaller fraction, then borrow 1 whole number (remember your whole number is any number divided by the same number, so make sure that number is the same as your denominator).
For a printable worksheet from worksheetplace.com, click here
**If you have any questions, make them in the comments
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