To add or subtract similar Fractions:

Step 2: Write the sum or difference over the common __________.

To add or subtract similar Fractions:

Step 3: Simplify or write the answer in _______ terms if necessary.

To add or subtract dissimilar Fractions:

Step 1: Determine the _________.

To add or subtract dissimilar Fractions:

Step 2: Get the equivalent fractions using the ________.

To add or subtract dissimilar Fractions:

Step 3: Add or subtract the numerators then write the sum or difference over the common __________.

2/12 + 6/12 =

6/15 + 9/15 =

Sanji made two types of cookies. He used 2/3 cup of sugar for one recipe and 1/4 cup of sugar for the other. How much sugar did he use in all?

What operation is to used in the problem?