Add and Subtract Fractions

1
Add and Subtract Fractions

• You will learn how to add and subtract fractions
  with different denominators.
• p.332

2
Add Fractions

• When two fractions have different denominators
  you can add them by finding a ___________
  denominator.

common
Step 1 Find a common ____________ between the
two denominators. 1/2 1/3 LCM of 2 and 3
is ____
Step 2 Find ______________ fractions using that
denominator. 1 x 3 2 x 3 1 x 2 3 x 2
Step 3 To add the fractions, _______ the
numerators and leave the denominator
_________________. 3 2 5 6 6 6
equivalent
multiple
add
the same
6
simplify
Remember to __________________ your answer, if
possible.
3
Add Fractions

• When two fractions have different denominators
  you can add them by finding a ___________
  denominator.

Step 1 Find a common ____________ between the
two denominators. 1/2 1/3 LCM of 2 and 3
is ____
Step 2 Find ______________ fractions using that
denominator. 1 x 3 2 x 3 1 x 2 3 x 2
Step 3 To add the fractions, _______ the
numerators and leave the denominator
_________________. 3 2 5 6 6 6
Remember to __________________ your answer, if
possible.