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Fraction Subtraction
Simple Subtraction
Subtraction • Not to much different from addition. 1) Get a common Denominator 2) Subtract
Try one • ¾ - 2/5
Try one • 3 2/3 – 1 3/8
Subtraction With borrowing
Subtraction • Try 4 2/5 – 2 4/5 What is different about this problem?
Subtraction • Try 4 2/5 – 2 4/5 You have to borrow.
Subtraction • More examples • Get LCD • Borrow only when necessary • subtract
Try one • 3 2/3 – 1 7/8