Adding and Subtracting Rationals with Like Bases

Add 4/6 + 2/6=?

• 1

• 5/6

• 6/12

What is the answer?

• 
• 
• 
• 

3/9 + 4/9

• 7/18

• 7/9

• 12/9

What is ¹/₈ + ⁵/₈?

• 1

• ⁶/₁₆

• ⁶/₈

What is ¹⁵/₁₆ - ¹²/₁₆?

• ¹/₃

• ⁴/₁₆

• ³/₁₆

To add or subtract fractions you must have

• Common numerators

• Common denominators

• Common multiples

• common factors

If we have common denominators and we want to add or subtract them we need to

• add/subtract the numerator and slide over the denominator.

• add/subtract the numerator and add/subtract the denominator.

Solve and simplify to lowest terms.

• a

• b

• c

• d

Solve and SIMPLIFY:

2/8 + 4/8

• 3/4

• 6/8

• 6/16

• 3/8

Solve and SIMPLIFY:

3/5 + 2/5

• 1

• 5/5

• 5/10

• 0