Adding and Subtracting Unlike Fractions and Mixed Numbers

What do we need to do before we start to add or subtract a fraction(s)?

• Make sure the fractions are like fractions

• Make sure the fractions are unlike fractions

What is an 'unlike fraction'?

• Denominators are the same

• Denominators are different

• Denominator

• Numerator

• Denominator

• Numerator

• 5

• 25

• 30

• 60

• 1 2/5

• 10/10

• 7/5

• 14/10

• 2/7

• 5/10

• 0/7

• 7/10